20201+0820 HJ 2949 AB
20h 20m 05.92s +08° 18' 32.1" P.A. 302.00 sep 7.5 mag 11.00,12.00
| Coord 2000 |
20201+0820 |
|
Discov num |
HJ 2949 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 20 05.92 +08 18 32.1 |
|
| Date first |
1830 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
312 |
|
Pa last |
302.2 |
|
P.A. Now (θ) |
302.2° |
|
| Sep first |
4.0 |
|
Sep last |
7.45 |
|
Sep. Now (ρ) |
7.45" |
|
| Mag pri |
11.00 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
| Pri motion ra |
+007 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
+016 |
|
| Notes |
|
|
rPM=1.362
This double is not physical.
20201+0820 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 20 06 +08 18 32 |
HJ 2949 AB |
2015 |
8 |
302 |
7.5 |
11.00 |
12.00 |
1.00 |
|
<=== |
| Show |
|
|
20 20 06 +08 18 32 |
DAM 209 AC |
2015 |
7 |
224 |
12.7 |
11.00 |
13.60 |
2.60 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquila |
|
Gaia DR2 |
4251020473371565056 |
|
