20190+4938 ES 2693 BC
20h 19m 01.10s +49° 37' 25.3" P.A. 189.00 sep 18.5 mag 9.59,12.20 Sp A2
| Coord 2000 |
20190+4938 |
|
Discov num |
ES 2693 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 19 01.10 +49 37 25.3 |
|
| Date first |
1911 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
186 |
|
Pa last |
188.9 |
|
P.A. Now (θ) |
188.9° |
|
| Sep first |
17.4 |
|
Sep last |
18.496 |
|
Sep. Now (ρ) |
18.496" |
|
| Mag pri |
9.59 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
2.61 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
+007 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
-010 |
|
| Notes |
|
|
rPM=0.916
This double is not physical.
20190+4938 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 193609 |
49464 |
20 18 58 +49 37 36 |
ES 2693 AB |
2018 |
16 |
110 |
30.6 |
8.76 |
9.59 |
0.83 |
|
|
| Show |
|
|
20 19 01 +49 37 25 |
ES 2693 BC |
2015 |
8 |
189 |
18.5 |
9.59 |
12.20 |
2.61 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3580-01461-1 |
|
Gaia DR2 |
2084930649095703168 |
|
