| Coord 2000 | 20257+4004 |
Discov num | TOR 25 |
Comp | AB |
Coord arcsec 2000 | 20 25 44.56 +40 03 59.0 |
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| Date first | 1977 |
Date last | 2015 |
Obs | 9 |
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| Pa first | 208 |
Pa last | 191 |
P.A. Now (θ) | 191° |
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| Sep first | 10.6 |
Sep last | 4.7 |
Sep. Now (ρ) | 4.7" |
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| Mag pri | 8.73 |
Mag sec | 10.50 |
delta mag (ΔM) | 1.77 |
Spectral class | A0 (white) |
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| Pri motion ra | +000 |
Sec motion ra | -003 |
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| Pri motion dec | -011 |
Sec motion dec | -015 |
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| Notes | N
(See Notes) |
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| Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 20257+4004 | TOR 25 | AB | 1977 | 2015 | 9 | 191 | 4.7 | 8.73 | 10.50 | 1.77 | <=== | |||
| Show | 20257+4004 | POP 199 | AC | 1892 | 2015 | 8 | 245 | 59.6 | 8.73 | 11.94 | 3.21 |
| Precise pa | 190.8 |
Precise sep | 4.669 |
Constellation | Cygnus |
SAO | 70001 |
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| Tycho2 | 3156-00461-1 |
Gaia DR2 | 87612516608 |
HD | 194720 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20257+4004 | TOR 25 | AB | 1998 | 4 | 202 | 7.3 | 8.73 | 10.50 | A0 | N D | 202544.56+400359.0 |
| 20257+4004 | TOR 25 | AB | 2010 | 5 | 195 | 5.2 | 8.73 | 10.50 | A0 | N D | 202544.56+400359.0 |
| 20257+4004 | TOR 25 | AB | 2012 | 8 | 192 | 4.8 | 8.73 | 10.50 | A0 | N | 202544.56+400359.0 |
| 20257+4004 | TOR 25 | AB | 2015 | 9 | 191 | 4.7 | 8.73 | 10.50 | A0 | N | 202544.56+400359.0 |