| Coord 2000 | 20139+3439 |
Discov num | SEI1027 |
Comp | Coord arcsec 2000 | 20 13 54.72 +34 38 55.4 |
|||||
| Date first | 1896 |
Date last | 2015 |
Obs | 13 |
||||||
| Pa first | 11 |
Pa last | 10 |
P.A. Now (θ) | 10° |
||||||
| Sep first | 27.5 |
Sep last | 28.7 |
Sep. Now (ρ) | 28.7" |
||||||
| Mag pri | 10.15 |
Mag sec | 12.31 |
delta mag (ΔM) | 2.16 |
Spectral class | G5IV (yellow) |
||||
| Pri motion ra | +005 |
Sec motion ra | -002 |
||||||||
| Pri motion dec | -013 |
Sec motion dec | +001 |
||||||||
| Notes | |||||||||||
| Precise pa | 9.9 |
Precise sep | 28.676 |
Constellation | Cygnus |
Tycho2 | 2679-00800-1 |
||||
| Gaia DR2 | 2055776548534504704 |
HD | 228441 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20139+3439 | SEI1027 | 1999 | 5 | 10 | 28.5 | 10.15 | 12.10 | D | 201354.72+343855.4 | ||
| 20139+3439 | SEI1027 | 2002 | 6 | 10 | 28.5 | 10.15 | 12.10 | D | 201354.72+343855.4 | ||
| 20139+3439 | SEI1027 | 2011 | 7 | 10 | 28.6 | 10.15 | 12.10 | D | 201354.72+343855.4 | ||
| 20139+3439 | SEI1027 | 2015 | 9 | 10 | 28.7 | 10.15 | 12.31 | G5IV | 201354.72+343855.4 |