19492-1902 B 451 (HD 187171)
19h 49m 11.15s -19° 02' 08.4" P.A. 54.00 sep 0.5 mag 10.33,10.25 Sp F2IV
| Coord 2000 |
19492-1902 |
|
Discov num |
B 451 |
|
Comp |
|
|
Coord arcsec 2000 |
19 49 11.15 -19 02 08.4 |
|
| Date first |
1926 |
|
Date last |
1991 |
|
Obs |
8 |
|
| Pa first |
52 |
|
Pa last |
53.6 |
|
P.A. Now (θ) |
53.6° |
|
| Sep first |
0.5 |
|
Sep last |
0.48 |
|
Sep. Now (ρ) |
0.48" |
|
| Mag pri |
10.33 |
|
Mag sec |
10.25 |
|
delta mag (ΔM) |
0.08 |
|
Spectral class |
F2IV (yellow-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 187171 |
|
Constellation |
Sagittarius |
|
SAO |
163011 |
|
Tycho2 |
6320-00016-1 |
|
| Gaia DR2 |
6868829806521673600 |
|
HD |
187171 |
|
ADS |
12958 |
|
