| Coord 2000 | 20253+4355 |
Discov num | A 291 |
Comp | AC |
Coord arcsec 2000 | 20 25 16.06 +43 55 17.0 |
||||
| Date first | 1892 |
Date last | 2015 |
Obs | 10 |
||||||
| Pa first | 285 |
Pa last | 284 |
P.A. Now (θ) | 284° |
||||||
| Sep first | 17.9 |
Sep last | 17.9 |
Sep. Now (ρ) | 17.9" |
||||||
| Mag pri | 9.85 |
Mag sec | 11.19 |
delta mag (ΔM) | 1.34 |
Spectral class | F0 (yellow-white) |
||||
| Pri motion ra | +005 |
Sec motion ra | +006 |
||||||||
| Pri motion dec | +008 |
Sec motion dec | +005 |
||||||||
| Notes | |||||||||||
| Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 20253+4355 | A 291 | AB | 1901 | 2016 | 11 | 148 | 0.8 | 9.85 | 10.42 | 0.57 | ||||
| Show | 20253+4355 | A 291 | AC | 1892 | 2015 | 10 | 284 | 17.9 | 9.85 | 11.19 | 1.34 | <=== |
| Precise pa | 283.7 |
Precise sep | 17.941 |
Constellation | Cygnus |
SAO | 49599 |
||||
| Tycho2 | 3164-00785-1 |
Gaia DR2 | 61923805824 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20253+4355 | A 291 | AC | 1998 | 6 | 284 | 18.1 | 9.48 | 11.19 | D | 202516.06+435517.0 | |
| 20253+4355 | A 291 | AC | 2003 | 8 | 285 | 17.7 | 9.85 | 11.19 | D | 202516.06+435517.0 | |
| 20253+4355 | A 291 | AC | 2013 | 9 | 285 | 18.1 | 9.85 | 11.19 | F0 | 202516.06+435517.0 | |
| 20253+4355 | A 291 | AC | 2015 | 10 | 284 | 17.9 | 9.85 | 11.19 | F0 | 202516.06+435517.0 |