Suggested: N _ { H }
Suggested: cm-2, Dimensionless
Exclude
Name/Symbol Condition
Name: hydrogen column density
Mean: 7.34 ± 9.35
Median: 4
Range: -13 ‒ 71
175 results.
arXiv Name Symbol Parsed Bound
astro-ph/9603136 🔍 (source) hydrogen column density
1.5e+22 cm-2
astro-ph/9605007 🔍 (source) interstellar hydrogen column density N _ { H }
7e+18 cm-2
astro-ph/9606070 🔍 (source) hydrogen column density N _ { HI }
300000000000000.0 cm-2
astro-ph/9612244 🔍 (source) total hydrogen column density N ( H )
4.7e+22 ± 2e+21 cm-2
astro-ph/9707157 🔍 (source) neutral hydrogen column density of the absorption system \log N
19.81 ± 0.04 cm-2
astro-ph/9708167 🔍 (source) hydrogen column density N _ { H }
8.2e+22 +6e+21-5e+21 cm-2
astro-ph/9709267 🔍 (source) hydrogen column density inferred n _ { H }
1.4500000000000003e+21 +7.5e+20-7.500000000000003e+20 cm-2
astro-ph/9711143 🔍 (source) neutral hydrogen column density N _ { HI }
2000000000000.0 cm-2
astro-ph/9712267 🔍 (source) neutral hydrogen column density N _ { H }
7e+21 cm-2
astro-ph/9802110 🔍 (source) total hydrogen column density N ( \ion H 1 )
6.3e+17 ± 7.000000000000002e+16 cm-2
astro-ph/9804018 🔍 (source) neutral hydrogen column density N _ { HI }
3.1e+17 ± 1e+17 cm-2
astro-ph/9805093 🔍 (source) neutral hydrogen column density N ( \ion H 1 )
1.5e+21 ± 2e+20
astro-ph/9807191 🔍 (source) sight hydrogen column density N _ { H }
7.100000000000001e+27 +1.1300000000000001e+27-1.2300000000000002e+27 m-2
astro-ph/9807280 🔍 (source) hydrogen column density
3.1e+22 ± 1.4e+22
astro-ph/9904261 🔍 (source) warm molecular hydrogen column density
2.21e+21 ± 2.4e+20 cm-2
astro-ph/9905202 🔍 (source) neutral hydrogen column density N _ { H }
4.4000000000000007e+20 cm-2
astro-ph/9906374 🔍 (source) neutral hydrogen column density
5e+21 cm-2
astro-ph/9906374 🔍 (source) neutral hydrogen column density N _ { H }
2.5e-13 ± 3e-14 erg cm-2 s-1
astro-ph/9909178 🔍 (source) neutral hydrogen column density
-1.3e+20 cm-2
Upper
astro-ph/9911261 🔍 (source) neutral hydrogen column density \log N _ { H \sc i }
15.7 cm-2
astro-ph/9911531 🔍 (source) hydrogen column density
1.4650000000000002e+22 +5.349999999999999e+21-5.35e+21 cm-2
astro-ph/0005482 🔍 (source) hydrogen column density
4.3e+20 cm-2
astro-ph/0007472 🔍 (source) neutral hydrogen column density N ( H i )
2.6e+21 cm-2
astro-ph/0009295 🔍 (source) hydrogen column density
1.3e+21 cm-2
astro-ph/0010454 🔍 (source) equivalent to hydrogen column density N _ { H }
-2.0
astro-ph/0103136 🔍 (source) total molecular hydrogen column density log N ( H _ { 2 } )
20.68 ± 0.05 cm-2
astro-ph/0108500 🔍 (source) hydrogen column density
25.0 cm-2
Upper
astro-ph/0111037 🔍 (source) hydrogen column density
2.3e+23 ± 1.1000000000000002e+23 cm-2
astro-ph/0202036 🔍 (source) neutral hydrogen column density \log N ( H i )
20.7
astro-ph/0203035 🔍 (source) hydrogen column density N _ { H } )
1.3000000000000001e+23 H cm-2
astro-ph/0204159 🔍 (source) interstellar medium neutral hydrogen column density N _ { H }
8e+19
Lower
astro-ph/0205535 🔍 (source) hydrogen column density
2.5e+22 cm-2
astro-ph/0206290 🔍 (source) hydrogen column density N _ { H }
7.4e+19 cm-2
astro-ph/0206463 🔍 (source) total molecular hydrogen column density N ( H _ { 2 } )
2.6e+17 cm-2
astro-ph/0208450 🔍 (source) neutral hydrogen column density N ( HI )
6.9e+20 ± 1.7e+20
astro-ph/0208530 🔍 (source) neutral Hydrogen column density
2.06e+21 +3.9e+20-4.5e+20 cm-2
astro-ph/0212017 🔍 (source) hydrogen column density N _ { H }
1.3e+21 +2.8e+20-2.1e+20 cm-2
astro-ph/0302006 🔍 (source) neutral Hydrogen column density log N _ { HI }
19.73 ± 0.04 cm-2
astro-ph/0304014 🔍 (source) neutral hydrogen column density N ( H i )
44000000000000.0 cm-2
astro-ph/0304343 🔍 (source) hydrogen column density N _ { H }
1e+22 +4e+21-3e+21 cm-2
astro-ph/0304403 🔍 (source) Hydrogen column density
5.370000000000001e+21 +1.45e+21-7.9e+20 cm-2
astro-ph/0307516 🔍 (source) mean neutral hydrogen column density N _ { HI }
3.6e+20 ± 1.3e+20
astro-ph/0310299 🔍 (source) hydrogen column density N _ { H }
2e+22 cm-2
astro-ph/0310508 🔍 (source) hydrogen column density
2e+21 ± 4e+20 cm-2
astro-ph/0310680 🔍 (source) total hydrogen column density N _ { H } Â
3.5e+22 ± 3e+21
astro-ph/0312377 🔍 (source) hydrogen column density
8.8e+22 ± 5e+21 cm-2
astro-ph/0403080 🔍 (source) neutral hydrogen column density log N ( H i )
21.9
astro-ph/0403632 🔍 (source) hydrogen column density n _ { H }
7.8e+21 +1.7e+21-1.4e+21 cm-2
astro-ph/0403691 🔍 (source) hydrogen column density N _ { H }
5e+19 +2.9e+19-1.5e+19 cm-2
astro-ph/0407157 🔍 (source) neutral hydrogen column density N _ { \scriptsize H }
3.7e+21 cm-2
astro-ph/0408007 🔍 (source) excess neutral hydrogen column density N _ { H }
1.57e+21 ± 3e+19 cm-2
astro-ph/0410385 🔍 (source) equivalent hydrogen column density of the ionized absorber
3.7999999999999996e+22 ± 4e+21
astro-ph/0410385 🔍 (source) equivalent hydrogen column density of the ionized absorber
3.7e+23 ± 2e+22
Upper
astro-ph/0504111 🔍 (source) hydrogen column density N _ { H }
4.1e+22 +6.000000000000005e+21-5.999999999999997e+21 cm-2
astro-ph/0504111 🔍 (source) hydrogen column density
4.1e+22 cm-2
astro-ph/0505078 🔍 (source) hydrogen column density N _ { H }
6.8e+22 cm-2
astro-ph/0505178 🔍 (source) optical extinction ( hydrogen column density N _ { H }
5e+21 cm-2
astro-ph/0507581 🔍 (source) total hydrogen column density log N _ { H } ^ { hl }
20.38 ± 0.13
astro-ph/0508439 🔍 (source) hydrogen column density N _ { H }
3.3e+21 cm-2
astro-ph/0510404 🔍 (source) neutral hydrogen column density log N ( H i )
20.4 ± 0.2
astro-ph/0510737 🔍 (source) hydrogen column density
1e+22 cm-2
astro-ph/0510737 🔍 (source) hydrogen column density
0.5
astro-ph/0510859 🔍 (source) hydrogen column density N _ { H }
3e+21 cm-2
astro-ph/0511115 🔍 (source) hydrogen column density N _ { H }
1.5e+23
astro-ph/0511498 🔍 (source) neutral hydrogen column density log N ( HI )
22.05 ± 0.1
astro-ph/0512392 🔍 (source) rest-frame Hydrogen column density N _ { H , z }
4e+21 cm-2
Lower
astro-ph/0602121 🔍 (source) total neutral hydrogen column density log N ( H i )
20.36 ± 0.05
astro-ph/0608040 🔍 (source) neutral hydrogen column density N
1.6e+21 cm-2
Lower
astro-ph/0609236 🔍 (source) hydrogen column density log N ( H )
20.7
Lower
astro-ph/0610845 🔍 (source) rest-frame Hydrogen column density N _ { H }
1.2e+22 +4e+21-3e+21 cm-2
astro-ph/0611599 🔍 (source) hydrogen column density n _ { H }
1.4e+22 cm-2
astro-ph/0701069 🔍 (source) hydrogen column density n _ { H }
4e+22 cm-2
0704.2079 🔍 (source) hydrogen column density N _ { H }
3e+20 cm-2
0705.0385 🔍 (source) atomic hydrogen column density N _ { HI }
2e+22 cm-2
0705.2772 🔍 (source) hydrogen column density
6.0
Upper
0705.2772 🔍 (source) hydrogen column density
2.2
0705.2772 🔍 (source) hydrogen column density
1.4
0705.2772 🔍 (source) hydrogen column density
4.1e+19 cm-2
0706.0877 🔍 (source) hydrogen column density N _ { H }
7e+21 ± 6e+20 cm-2
0707.3529 🔍 (source) hydrogen column density n _ { H }
1e+22 cm-2
0708.3018 🔍 (source) neutral hydrogen column density log N _ { H I }
19.82 ± 0.05
0708.3330 🔍 (source) hydrogen column density N _ { H }
5.7e+21 ± 3e+20 cm-2
0710.0591 🔍 (source) total hydrogen column density { X ( CO _ { 2 } ) } _ { ice }
1.9e-05
0712.3548 🔍 (source) intrinsic hydrogen column density obscuring the source \log ( N _ { H } / cm ^ { -2 } )
19.2
Lower
0801.3682 🔍 (source) neutral hydrogen column density \log f
-4.5
Lower
0803.0761 🔍 (source) hydrogen column density N _ { H }
7.3e+19 cm-2
0803.3932 🔍 (source) hydrogen column density N _ { H }
2e+21 cm-2
0804.3463 🔍 (source) absorbing hydrogen column density
2.1e+21 cm-2
0805.3108 🔍 (source) neutral Hydrogen column density
2.5e+21 +2.3e+21-1.8e+21 cm-2
0805.3108 🔍 (source) neutral Hydrogen column density
6.4e+21 +1.3e+21-1.4000000000000003e+21 cm-2
0902.3537 🔍 (source) hydrogen column density N _ { H }
8e+19 cm-2
0906.3954 🔍 (source) hydrogen column density
4.01e+21 ± 7e+19 cm-2
0909.2959 🔍 (source) neutral hydrogen column density N ( HI )
1.53e+21 cm-2
0911.3332 🔍 (source) hydrogen column density log N _ { H } ( cm ^ { -2 } )
20.8 ± 0.28
0911.4233 🔍 (source) neutral hydrogen column density
2e+21 cm-2
0911.4233 🔍 (source) neutral hydrogen column density
4e+21 cm-2
1002.2062 🔍 (source) hydrogen column density
2e+22 cm-2
1007.5357 🔍 (source) Hydrogen column density \log N _ { H } / cm ^ { -2 }
21.6 ± 0.07
1008.0637 🔍 (source) neutral hydrogen column density \log N ( H ^ { 0 } ) ( cm ^ { -2 } )
20.0 ± 0.15
1008.2797 🔍 (source) total hydrogen column density N ( H )
4e+19 cm-2
1008.5366 🔍 (source) hydrogen column density N _ { H }
6e+23 cm-2
Upper
1012.2052 🔍 (source) log hydrogen column density
21.7
Lower
1012.2052 🔍 (source) log hydrogen column density
22.9
Upper
1101.1344 🔍 (source) hydrogen column density N _ { H }
1.55e+21 +7.5e+20-3.8e+20 cm-2
1101.1518 🔍 (source) hydrogen column density N _ { H }
2.5e+21 ± 6e+20 cm-2
1102.1980 🔍 (source) total hydrogen column density N _ { H }
9.5e+17 ± 2.5e+17 cm-2
1107.1592 🔍 (source) hydrogen column density
23.0
Upper
1107.1592 🔍 (source) hydrogen column density
-2.0
1108.1049 🔍 (source) hydrogen column density \log N _ { H } / cm ^ { -2 }
21.11 ± 0.1
1108.1084 🔍 (source) hydrogen column density \log N _ { H } / cm ^ { -2 }
21.11 ± 0.1
1201.1088 🔍 (source) hydrogen column density N _ { H } ^ { hard }
6e+24 cm-2
1201.4882 🔍 (source) hydrogen column density
1.7000000000000001e-09
Lower
1204.3951 🔍 (source) total hydrogen column density N ( H )
3e+19 cm-2
1204.5475 🔍 (source) excess neutral Hydrogen column density
7.5e+21 ± 2e+21 cm-2
1206.3651 🔍 (source) total hydrogen column density of both accelerating clouds
6e+17 cm-2
1207.3243 🔍 (source) hydrogen column density N _ { H }
2e+21 cm-2
1211.0276 🔍 (source) hydrogen column density
1.3499999999999999e+22 +1.0500000000000001e+22-1.05e+22 cm-2
1211.3452 🔍 (source) atomic neutral hydrogen column density N _ { HI }
2e+21 cm-2
Lower
1211.6722 🔍 (source) integrated hydrogen column density N _ { H }
1.6e+21 cm-2
1303.0404 🔍 (source) hydrogen column density N _ { H }
5e+21 cm-2
1305.1945 🔍 (source) neutral hydrogen column density N _ { H }
1.4e+23 cm-2
1306.0181 🔍 (source) neutral hydrogen column density N _ { HI }
2e+20 cm-2
Lower
1308.2681 🔍 (source) hydrogen column density \log N ( H I )
13.6
Lower
1309.2940 🔍 (source) neutral hydrogen column density \log N ( H i ) / cm ^ { -2 }
22.3 ± 0.06
1310.3349 🔍 (source) hydrogen column density
2e+21
1310.8569 🔍 (source) total neutral hydrogen column density \log N ( H i ) ( cm ^ { -2 } )
21.03 ± 0.08
1311.1691 🔍 (source) hydrogen column density
2.08e+24 +3.4999999999999995e+23-1.8e+23 cm-2
1312.0010 🔍 (source) neutral hydrogen column density N _ { H }
9e+21 cm-2
1401.0605 🔍 (source) log hydrogen column density ( cm ^ { -2 }
21.799999999999997 +0.10000000000000142-0.09999999999999787
1402.4026 🔍 (source) hydrogen column density \log N _ { H } / cm ^ { -2 }
22.01 ± 0.09
1403.2266 🔍 (source) hydrogen column density N _ { H }
4.8e+23 +3.3e+23-3.1000000000000004e+23 cm-2
1405.1154 🔍 (source) hydrogen column density N _ { H }
1.08e+22 ± 1.5e+21 cm-2
1405.4833 🔍 (source) foreground hydrogen column density
2.5e+21 cm-2
Lower
1406.2349 🔍 (source) hydrogen column density n _ { H }
2.2999999999999998e+22 ± 3e+21 cm-2
1409.6315 🔍 (source) hydrogen column density log N ( H \sc i )
21.88 ± 0.1
1409.8131 🔍 (source) total neutral hydrogen column density \log N ( H i )
19.48 ± 0.01
1504.07274 🔍 (source) hydrogen column density N _ { H }
2.87e+21 ± 1.2e+20 A
1507.02788 🔍 (source) absorbing hydrogen column density
1.4e+21 +4e+20-1e+20 cm-2
1509.07474 🔍 (source) hydrogen column density N _ { H }
4e+20 cm-2
Upper
1511.01797 🔍 (source) hydrogen column density log N ( H i )
19.983 ± 0.01
1511.01926 🔍 (source) hydrogen column density
3e+23 cm-2
1602.05458 🔍 (source) neutral hydrogen column density \log N ( H \sc i )
19.23
1603.02016 🔍 (source) hydrogen column density N _ { H }
1.6000000000000003e+23 cm-2
1603.03240 🔍 (source) average hydrogen column density { \log < N _ { H } >
21.07 ± 1.2 cm-2
1604.06472 🔍 (source) hydrogen column density N _ { H }
8e+22 cm-2
1606.03303 🔍 (source) hydrogen column density log ( N _ { { H } } /cm ^ { -2 }
21.2
Lower
1608.01374 🔍 (source) neutral hydrogen column density
5e+21 ± 3e+21
1610.08440 🔍 (source) equivalent hydrogen column density of the hot collisionally ionized
9.300000000000001e+23 +8.7e+23-8.700000000000002e+23 cm-2
1610.08440 🔍 (source) equivalent hydrogen column density of the hot collisionally ionized
3.65e+23 ± 1.65e+23 cm-2
1611.03084 🔍 (source) median hydrogen column density N _ { H }
9.800000000000002e+23 +1.4e+23-7e+22 cm-2
1612.07450 🔍 (source) hydrogen column density
1.3e+24 cm-2
1703.06656 🔍 (source) hydrogen column density ratio D i / H i
2.6200000000000003e-05 ± 5.000000000000001e-07
1704.01909 🔍 (source) hydrogen column density
15.0 +3.0-2.0 cm-2
1704.01909 🔍 (source) hydrogen column density
1.3e+22 +6e+21-3e+21 cm-2
Upper
1705.04781 🔍 (source) hydrogen column density N _ { H }
4.7e+21 ± 1.1000000000000001e+21 cm-2
Upper
1705.04781 🔍 (source) hydrogen column density
2.9e+21 ± 4e+20 cm-2
Lower
1709.09169 🔍 (source) hydrogen column density N _ { H }
3.6e+20 cm-2
Upper
1710.04714 🔍 (source) hydrogen column density \hbox { $N { { } _ { H } } $ }
2.1000000000000002e+22 cm-2
1711.04953 🔍 (source) hydrogen column density N _ { H }
4.9900000000000005e+22 +2.75e+22-2.28e+22 cm-2
1711.07841 🔍 (source) hydrogen column density
7.5e+22 cm-2
1805.01545 🔍 (source) hydrogen column density log ( N _ { H } )
21.47 +0.21-0.27 cm-2
1807.02210 🔍 (source) total hydrogen column density per unit reddening
-7e+21 cm-2 mag-1
1807.02210 🔍 (source) total hydrogen column density per unit reddening
6.0
Lower
1807.11431 🔍 (source) equivalent hydrogen column density
1.3000000000000001e+23 cm-2
1807.11431 🔍 (source) hydrogen column density
6e+23 cm-2
1809.03114 🔍 (source) hydrogen column density of the higher-velocity outflow log ( U _ { H } )
-1.73 +0.21-0.12
1810.03339 🔍 (source) intrinsic Hydrogen column density N _ { H , int }
7.4e+20 +4.0999999999999993e+20-3.6e+20 cm-2
1903.08099 🔍 (source) hydrogen column density N _ { H , abs }
2.0000000000000002e+23 cm-2
1904.01686 🔍 (source) total neutral atomic-hydrogen column density \log N ( H i )
21.95 ± 0.15
1906.04531 🔍 (source) hydrogen column density
9.699999999999999e+20 +6.4e+20-4.8e+20 cm-2
1908.06644 🔍 (source) hydrogen column density N _ { H } ^ { best }
6.3e+20 cm-2
1910.12773 🔍 (source) hydrogen column density N ( H i )
-3e+21 cm-2
1911.04702 🔍 (source) hydrogen column density N _ { H }
1e+24 +8.000000000000001e+23-4.0000000000000003e+23 cm-2
2001.04975 🔍 (source) mean beam-averaged molecular hydrogen column density N ( H _ { 2 } )
1.5e+21 ± 2e+20 cm-2
2006.03717 🔍 (source) hydrogen column density
7e+22 cm-2