Coord 2000 | 19557+4024 |
Discov num | HJ 604 |
Comp | Coord arcsec 2000 | 19 55 44.76 +40 23 30.2 |
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Date first | 1893 |
Date last | 2015 |
Obs | 20 |
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Pa first | 94 |
Pa last | 93 |
P.A. Now (θ) | 93° |
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Sep first | 70.5 |
Sep last | 70.6 |
Sep. Now (ρ) | 70.6" |
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Mag pri | 7.35 |
Mag sec | 9.33 |
delta mag (ΔM) | 1.98 |
Spectral class | B1V (blue-white) |
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Pri motion ra | -003 |
Sec motion ra | -002 |
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Pri motion dec | -007 |
Sec motion dec | -002 |
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Notes | N
(See Notes) |
Precise pa | 92.6 |
Precise sep | 70.612 |
Constellation | Cygnus |
SAO | 48983 |
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HIP | 98061 |
Tycho2 | 3141-03158-1 |
Gaia DR2 | 12917417600 |
HD | 188891 |
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BD | BD+40 3948 |
Distance | 6250 |
Distance ly | 20387.5 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
19557+4024 | HJ 604 | 2002 | 11 | 93 | 71.1 | 7.35 | 9.33 | B1V | N D | 195544.76+402330.2 | |
19557+4024 | HJ 604 | 2012 | 14 | 93 | 70.6 | 7.35 | 9.33 | B1V | N D | 195544.76+402330.2 | |
19557+4024 | HJ 604 | 2014 | 15 | 93 | 70.8 | 7.35 | 9.33 | B1V | N | 195544.76+402330.2 | |
19557+4024 | HJ 604 | 2015 | 17 | 93 | 70.6 | 7.35 | 9.33 | B1V | N | 195544.76+402330.2 |