18508-2210 BU 1300 (30 Sgr)
18h 50m 50.50s -22° 09' 43.6" P.A. 254.00 sep 18.0 mag 6.61,13.00 Sp A7III dist. 70.57 pc (230.2 l.y.)
| Coord 2000 |
18508-2210 |
|
Discov num |
BU 1300 |
|
Comp |
|
|
Coord arcsec 2000 |
18 50 50.50 -22 09 43.6 |
|
| Date first |
1901 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
247 |
|
Pa last |
253.7 |
|
P.A. Now (θ) |
253.7° |
|
| Sep first |
21.5 |
|
Sep last |
17.995 |
|
Sep. Now (ρ) |
17.995" |
|
| Mag pri |
6.61 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
6.39 |
|
Spectral class |
A7III (white) |
|
| Pri motion ra |
-018 |
|
Sec motion ra |
+058 |
|
| Pri motion dec |
-035 |
|
Sec motion dec |
-108 |
|
| Notes |
N
(See Notes) |
|
rPM=0.86
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
30 Sgr |
|
Constellation |
Sagittarius |
|
SAO |
187342 |
|
HIP |
92480 |
|
| Tycho2 |
6293-00236-1 |
|
Gaia DR2 |
4078708103470257920 |
|
HD |
174309 |
|
HR |
7088 |
|
| GC |
25835 |
|
ADS |
11731 |
|
BD |
BD-22 4881 |
|
CD |
CD-2213340 |
|
| Flamsteed |
30 Sagittarii |
|
Flamsteed name |
30 Sgr |
|
FK5 |
1493 |
|
Distance |
70.57 |
|
| Distance ly |
230.2 |
|