19507-4152 I 122 (HD 187211)
19h 50m 40.35s -41° 51' 34.5" P.A. 336.00 sep 5.3 mag 7.77,10.09 Sp A8/9V dist. 166.94 pc (544.56 l.y.)
Coord 2000 |
19507-4152 |
|
Discov num |
I 122 |
|
Comp |
|
|
Coord arcsec 2000 |
19 50 40.35 -41 51 34.5 |
|
Date first |
1896 |
|
Date last |
2016 |
|
Obs |
18 |
|
Pa first |
330 |
|
Pa last |
336.4 |
|
P.A. Now (θ) |
336.4° |
|
Sep first |
4.0 |
|
Sep last |
5.3 |
|
Sep. Now (ρ) |
5.3" |
|
Mag pri |
7.77 |
|
Mag sec |
10.09 |
|
delta mag (ΔM) |
2.32 |
|
Spectral class |
A8/9V (white) |
|
Pri motion ra |
+037 |
|
Sec motion ra |
+031 |
|
Pri motion dec |
-020 |
|
Sec motion dec |
-014 |
|
Notes |
|
|
rPM=0.202 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 187211 |
|
Constellation |
Sagittarius |
|
SAO |
229890 |
|
HIP |
97639 |
|
Tycho2 |
7942-01241-1 |
|
Gaia DR2 |
6688604526283161088 |
|
HD |
187211 |
|
GC |
27442 |
|
CD |
CD-4214496 |
|
CP |
CP-42 8921 |
|
Distance |
166.94 |
|
Distance ly |
544.56 |
|