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| Query : 1996Natur.380...47D |
1996Natur.380...47D - Nature, 380, 47-49 (1996)
Measurement of the opacity of ionized helium in the intergalactic medium.
DAVIDSEN A.F., KRISS G.A. and ZHENG W.
Journal keyword(s):
CDS comments: HS 1700+64 = HS 1700+6416
Simbad objects: 3
| Number of rows : 3 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | LBQS 0302-0019 | QSO | 03 04 49.8593341368 | -00 08 13.534398816 | 18.08 | 17.80 | 17.5 | ~ | 261 | 0 | ||
| 2 | HS 1700+6416 | QSO | 17 01 00.6194059368 | +64 12 09.118892376 | 16.39 | 16.17 | ~ | 382 | 0 | |||
| 3 | QSO J1940-6907 | QSO | 19 40 25.52815148 | -69 07 56.9717355 | 18.36 | 18.8 | ~ | 118 | 1 |
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