20190+4938 ES 2693 AB (HD 193609)
20h 18m 58.13s +49° 37' 35.9" P.A. 110.00 sep 30.6 mag 8.76,9.59 Sp A2
| Coord 2000 |
20190+4938 |
|
Discov num |
ES 2693 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 18 58.13 +49 37 35.9 |
|
| Date first |
1899 |
|
Date last |
2018 |
|
Obs |
16 |
|
| Pa first |
111 |
|
Pa last |
110 |
|
P.A. Now (θ) |
110° |
|
| Sep first |
31.4 |
|
Sep last |
30.61 |
|
Sep. Now (ρ) |
30.61" |
|
| Mag pri |
8.76 |
|
Mag sec |
9.59 |
|
delta mag (ΔM) |
0.83 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+009 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
+001 |
|
| Notes |
|
|
rPM=0.542
Nature of this double is uncertain.
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
| Name |
HD 193609 |
|
Constellation |
Cygnus |
|
SAO |
49464 |
|
Tycho2 |
3580-01850-1 |
|
| Gaia DR2 |
2084930713509371392 |
|
HD |
193609 |
|
