21011-2944 SKF 2097 (HD 199917)
21h 01m 03.30s -29° 43' 43.2" P.A. 152.00 sep 87.6 mag 7.10,8.18 Sp A2IV+F0V dist. 186.22 pc (607.45 l.y.)
Coord 2000 |
21011-2944 |
|
Discov num |
SKF2097 |
|
Comp |
|
|
Coord arcsec 2000 |
21 01 03.30 -29 43 43.2 |
|
Date first |
1898 |
|
Date last |
2015 |
|
Obs |
17 |
|
Pa first |
152 |
|
Pa last |
151.8 |
|
P.A. Now (θ) |
151.8° |
|
Sep first |
89.1 |
|
Sep last |
87.577 |
|
Sep. Now (ρ) |
87.577" |
|
Mag pri |
7.10 |
|
Mag sec |
8.18 |
|
delta mag (ΔM) |
1.08 |
|
Spectral class |
A2IV+F0V (white/yellow-white) |
|
Pri motion ra |
+018 |
|
Sec motion ra |
+017 |
|
Pri motion dec |
-041 |
|
Sec motion dec |
-041 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.022 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 199917 |
|
Constellation |
Microscopium |
|
SAO |
189930 |
|
HIP |
103720 |
|
Tycho2 |
6935-00739-1 |
|
Gaia DR2 |
6800446436740717184 |
|
HD |
199917 |
|
GC |
29320 |
|
CD |
CD-3018336 |
|
CP |
CP-30 6412 |
|
Distance |
186.22 |
|
Distance ly |
607.45 |
|