| Coord 2000 | 20041+5428 |
Discov num | STI2497 |
Comp | Coord arcsec 2000 | 20 04 07.19 +54 27 58.7 |
|||||
| Date first | 1917 |
Date last | 2015 |
Obs | 22 |
||||||
| Pa first | 124 |
Pa last | 30 |
P.A. Now (θ) | 30° |
||||||
| Sep first | 10.1 |
Sep last | 12.5 |
Sep. Now (ρ) | 12.5" |
||||||
| Mag pri | 7.79 |
Mag sec | 11.10 |
delta mag (ΔM) | 3.31 |
Spectral class | K0 (yellow-orange) |
||||
| Pri motion ra | +052 |
Sec motion ra | +034 |
||||||||
| Pri motion dec | -118 |
Sec motion dec | +042 |
||||||||
| Notes | |||||||||||
| Precise pa | 29.9 |
Precise sep | 12.527 |
Constellation | Cygnus |
SAO | 32254 |
||||
| Tycho2 | 3940-01134-1 |
Gaia DR2 | 84958189568 |
HD | 190780 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20041+5428 | STI2497 | 1999 | 5 | 39 | 10.6 | 7.79 | 11.10 | K0 | N D | 200407.19+542758.7 | |
| 20041+5428 | STI2497 | 2004 | 6 | 36 | 11.2 | 7.79 | 11.10 | K0 | N D | 200407.19+542758.7 | |
| 20041+5428 | STI2497 | 2010 | 7 | 32 | 12.0 | 7.79 | 11.10 | K0 | NUD | 200407.19+542758.7 | |
| 20041+5428 | STI2497 | 2015 | 9 | 30 | 12.5 | 7.79 | 11.10 | K0 | NL | 200407.19+542758.7 |