21179+1831 HU 368
21h 17m 55.15s +18° 31' 07.3" P.A. 312.00 sep 0.2 mag 9.70,11.40 Sp F5
Coord 2000 |
21179+1831 |
|
Discov num |
HU 368 |
|
Comp |
|
|
Coord arcsec 2000 |
21 17 55.15 +18 31 07.3 |
|
Date first |
1901 |
|
Date last |
2012 |
|
Obs |
12 |
|
Pa first |
42 |
|
Pa last |
311.8 |
|
P.A. Now (θ) |
311.8° |
|
Sep first |
0.4 |
|
Sep last |
0.249 |
|
Sep. Now (ρ) |
0.249" |
|
Mag pri |
9.70 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
+016 |
|
Sec motion ra |
|
|
Pri motion dec |
-004 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Pegasus |
|
Tycho2 |
1654-00682-1 |
|
Gaia DR2 |
1788503516828483968 |
|
ADS |
14830 |
|