19354+2755 ES 489 AB (HD 184878)
19h 35m 26.25s +27° 54' 37.8" P.A. 237.00 sep 17.0 mag 8.63,11.20 Sp A0V
| Coord 2000 |
19354+2755 |
|
Discov num |
ES 489 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 35 26.25 +27 54 37.8 |
|
| Date first |
1892 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
241 |
|
Pa last |
236.8 |
|
P.A. Now (θ) |
236.8° |
|
| Sep first |
15.8 |
|
Sep last |
17.015 |
|
Sep. Now (ρ) |
17.015" |
|
| Mag pri |
8.63 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
2.57 |
|
Spectral class |
A0V (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
+010 |
|
Sec motion dec |
-005 |
|
| Notes |
U
(Proper motion indicates non-physical) |
|
rPM=1.487
This double is not physical.
19354+2755 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 184878 |
87405 |
19 35 26 +27 54 38 |
ES 489 AB |
2015 |
11 |
237 |
17.0 |
8.63 |
11.20 |
2.57 |
|
<=== |
| Show |
|
87405 |
19 35 26 +27 54 38 |
ES 489 AC |
2015 |
11 |
203 |
22.1 |
8.63 |
11.60 |
2.97 |
|
|
| Show |
|
87405 |
19 35 26 +27 54 38 |
ABH 121 AD |
2015 |
10 |
227 |
49.8 |
8.60 |
12.77 |
4.17 |
|
|
| Show |
|
87405 |
19 35 26 +27 54 38 |
ABH 121 AE |
2012 |
5 |
175 |
61.8 |
8.60 |
13.30 |
4.70 |
|
|
| Show |
|
87405 |
19 35 26 +27 54 38 |
ABH 121 AF |
2015 |
10 |
200 |
58.4 |
8.60 |
13.89 |
5.29 |
|
|
| Show |
|
|
19 35 24 +27 54 04 |
BKO 70 DG |
2015 |
8 |
167 |
7.4 |
12.77 |
15.00 |
2.23 |
|
|
| Show |
|
|
19 35 27 +27 53 36 |
BKO 70 EH |
2012 |
4 |
275 |
4.7 |
13.30 |
14.00 |
0.70 |
|
|
Octuple system
8 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 184878 |
|
Constellation |
Cygnus |
|
SAO |
87405 |
|
Tycho2 |
2146-01070-1 |
|
| Gaia DR2 |
2025434734941239552 |
|
HD |
184878 |
|
