18404+4606 HJ 1339 (HD 172898)
18h 40m 26.72s +46° 05' 44.5" P.A. 321.00 sep 23.1 mag 8.67,10.14 Sp M
Coord 2000 |
18404+4606 |
|
Discov num |
HJ 1339 |
|
Comp |
|
|
Coord arcsec 2000 |
18 40 26.72 +46 05 44.5 |
|
Date first |
1828 |
|
Date last |
2019 |
|
Obs |
24 |
|
Pa first |
334 |
|
Pa last |
320.6 |
|
P.A. Now (θ) |
320.6° |
|
Sep first |
20.0 |
|
Sep last |
23.064 |
|
Sep. Now (ρ) |
23.064" |
|
Mag pri |
8.67 |
|
Mag sec |
10.14 |
|
delta mag (ΔM) |
1.47 |
|
Spectral class |
M (red) |
|
Pri motion ra |
+011 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
+007 |
|
Sec motion dec |
-016 |
|
Notes |
|
|
rPM=1.618
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 172898 |
|
Constellation |
Lyra |
|
SAO |
47693 |
|
Tycho2 |
3527-01434-1 |
|
Gaia DR2 |
2117746123374533632 |
|
HD |
172898 |
|