18409+4204 SLW 1220
18h 40m 55.58s +42° 03' 59.7" P.A. 113.00 sep 17.4 mag 19.55,19.51 Sp M7.9+M8.1
Coord 2000 |
18409+4204 |
|
Discov num |
SLW1220 |
|
Comp |
|
|
Coord arcsec 2000 |
18 40 55.58 +42 03 59.7 |
|
Date first |
1999 |
|
Date last |
2016 |
|
Obs |
8 |
|
Pa first |
113 |
|
Pa last |
112.6 |
|
P.A. Now (θ) |
112.6° |
|
Sep first |
17.3 |
|
Sep last |
17.37 |
|
Sep. Now (ρ) |
17.37" |
|
Mag pri |
19.55 |
|
Mag sec |
19.51 |
|
delta mag (ΔM) |
0.04 |
|
Spectral class |
M7.9+M8.1 (red/red) |
|
Pri motion ra |
+026 |
|
Sec motion ra |
+028 |
|
Pri motion dec |
+052 |
|
Sec motion dec |
+052 |
|
Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.034 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Gaia DR2 |
2110763429967940992 |
|