| Coord 2000 | 20121+4618 |
Discov num | OSO 120 |
Comp | AC |
Coord arcsec 2000 | 20 12 05.66 +46 18 01.7 |
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| Date first | 1995 |
Date last | 2003 |
Obs | 3 |
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| Pa first | 187 |
Pa last | 192 |
P.A. Now (θ) | 192° |
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| Sep first | 14.0 |
Sep last | 16.7 |
Sep. Now (ρ) | 16.7" |
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| Mag pri | 9.13 |
Mag sec | 15.20 |
delta mag (ΔM) | 6.07 |
Spectral class | K2 (yellow-orange) |
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| Pri motion ra | +225 |
Sec motion ra | |||||||||
| Pri motion dec | +292 |
Sec motion dec | |||||||||
| 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 | 49312 | 20121+4618 | OSO 120 | AB | 1995 | 1995 | 1 | 30 | 13.5 | 9.13 | 17.00 | 7.87 | |||
| Show | 49312 | 20121+4618 | OSO 120 | AC | 1995 | 2003 | 3 | 192 | 16.7 | 9.13 | 15.20 | 6.07 | <=== | ||
| Show | 49312 | 20121+4618 | OSO 120 | AD | 1995 | 1995 | 1 | 90 | 20.2 | 9.13 | 17.20 | 8.07 |
| Precise pa | 191.8 |
Precise sep | 16.744 |
Constellation | Cygnus |
SAO | 49312 |
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| HIP | 99542 |
Tycho2 | 3559-02097-1 |
HD | 192239 |
BD | BD+45 3091 |
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| Distance | 39.84 |
Distance ly | 129.96 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20121+4618 | OSO 120 | AC | 1998 | 2 | 188 | 15.2 | 9.06 | 15.00 | N D | 201205.66+461801.8 | |
| 20121+4618 | OSO 120 | AC | 2003 | 3 | 192 | 16.8 | 9.13 | 15.20 | N D | 201205.66+461801.7 |