21111+1704 HEI 187
21h 11m 05.26s +17° 03' 40.7" P.A. 255.00 sep 1.2 mag 10.72,11.40 Sp G5 dist. 57.44 pc (187.37 l.y.)
Coord 2000 |
21111+1704 |
|
Discov num |
HEI 187 |
|
Comp |
|
|
Coord arcsec 2000 |
21 11 05.26 +17 03 40.7 |
|
Date first |
1980 |
|
Date last |
2016 |
|
Obs |
12 |
|
Pa first |
256 |
|
Pa last |
255.1 |
|
P.A. Now (θ) |
255.1° |
|
Sep first |
1.1 |
|
Sep last |
1.166 |
|
Sep. Now (ρ) |
1.166" |
|
Mag pri |
10.72 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.68 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+187 |
|
Sec motion ra |
+187 |
|
Pri motion dec |
-039 |
|
Sec motion dec |
-039 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Pegasus |
|
HIP |
104581 |
|
Tycho2 |
1653-00153-1 |
|
Gaia DR2 |
1787930666983556480 |
|
BD |
BD+16 4472 |
|
Distance |
57.44 |
|
Distance ly |
187.37 |
|