18046-1936 HJ 2817 (HD 312571)
18h 04m 39.59s -19° 36' 23.0" P.A. 275.00 sep 13.4 mag 9.92,11.03 Sp G5
Coord 2000 |
18046-1936 |
|
Discov num |
HJ 2817 |
|
Comp |
|
|
Coord arcsec 2000 |
18 04 39.59 -19 36 23.0 |
|
Date first |
1830 |
|
Date last |
2017 |
|
Obs |
13 |
|
Pa first |
276 |
|
Pa last |
275 |
|
P.A. Now (θ) |
275° |
|
Sep first |
7.0 |
|
Sep last |
13.422 |
|
Sep. Now (ρ) |
13.422" |
|
Mag pri |
9.92 |
|
Mag sec |
11.03 |
|
delta mag (ΔM) |
1.11 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
rPM=0.392
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 312571 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6259-01049-1 |
|
Gaia DR2 |
4095218606266768896 |
|
HD |
312571 |
|