20535+3057 STTA 212 (HD 199042)
20h 53m 32.71s +30° 57' 04.8" P.A. 155.00 sep 65.7 mag 7.90,10.14 Sp B9V dist. 1639.34 pc (5347.53 l.y.)
Coord 2000 |
20535+3057 |
|
Discov num |
STTA212 |
|
Comp |
|
|
Coord arcsec 2000 |
20 53 32.71 +30 57 04.8 |
|
Date first |
1875 |
|
Date last |
2015 |
|
Obs |
22 |
|
Pa first |
154 |
|
Pa last |
154.5 |
|
P.A. Now (θ) |
154.5° |
|
Sep first |
65.7 |
|
Sep last |
65.695 |
|
Sep. Now (ρ) |
65.695" |
|
Mag pri |
7.90 |
|
Mag sec |
10.14 |
|
delta mag (ΔM) |
2.24 |
|
Spectral class |
B9V (blue-white) |
|
Pri motion ra |
+004 |
|
Sec motion ra |
-007 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
-010 |
|
Notes |
|
|
rPM=0.99
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 199042 |
|
Constellation |
Cygnus |
|
SAO |
70633 |
|
HIP |
103115 |
|
Tycho2 |
2688-02258-1 |
|
Gaia DR2 |
1858844463991275904 |
|
HD |
199042 |
|
BD |
BD+30 4218 |
|
Distance |
1639.34 |
|
Distance ly |
5347.53 |
|