18030-2243 RSS 468 (HD 164637)
18h 03m 01.71s -22° 43' 06.5" P.A. 288.00 sep 11.4 mag 6.72,9.16 Sp O+ dist. 1149.43 pc (3749.44 l.y.)
Coord 2000 |
18030-2243 |
|
Discov num |
RSS 468 |
|
Comp |
|
|
Coord arcsec 2000 |
18 03 01.71 -22 43 06.5 |
|
Date first |
1976 |
|
Date last |
1999 |
|
Obs |
3 |
|
Pa first |
289 |
|
Pa last |
287.9 |
|
P.A. Now (θ) |
287.9° |
|
Sep first |
11.8 |
|
Sep last |
11.408 |
|
Sep. Now (ρ) |
11.408" |
|
Mag pri |
6.72 |
|
Mag sec |
9.16 |
|
delta mag (ΔM) |
2.44 |
|
Spectral class |
O+ (blue) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
|
|
Pri motion dec |
-002 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 164637 |
|
Constellation |
Sagittarius |
|
SAO |
186169 |
|
HIP |
88396 |
|
Tycho2 |
6842-00899-1 |
|
Gaia DR2 |
4069657920177279104 |
|
HD |
164637 |
|
HR |
6727 |
|
GC |
24558 |
|
BD |
BD-22 4516 |
|
CD |
CD-2212473 |
|
Distance |
1149.43 |
|
Distance ly |
3749.44 |
|