Coord 2000 | 19539+3906 |
Discov num | SEI 718 |
Comp | Coord arcsec 2000 | 19 53 51.79 +39 06 25.8 |
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Date first | 1896 |
Date last | 2015 |
Obs | 11 |
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Pa first | 351 |
Pa last | 354 |
P.A. Now (θ) | 354° |
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Sep first | 15.3 |
Sep last | 15.9 |
Sep. Now (ρ) | 15.9" |
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Mag pri | 8.04 |
Mag sec | 11.70 |
delta mag (ΔM) | 3.66 |
Spectral class | B9 (blue-white) |
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Pri motion ra | +002 |
Sec motion ra | +004 |
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Pri motion dec | -002 |
Sec motion dec | +003 |
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Notes |
Precise pa | 353.9 |
Precise sep | 15.861 |
Constellation | Cygnus |
SAO | 69045 |
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HIP | 97913 |
Tycho2 | 3137-00479-1 |
Gaia DR2 | 76377860096 |
HD | 188501 |
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BD | BD+38 3809 |
Distance | 729.93 |
Distance ly | 2381.03 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
19539+3906 | SEI 718 | 1998 | 4 | 354 | 15.8 | 8.20 | 11.70 | B9 | D | 195351.79+390625.8 | |
19539+3906 | SEI 718 | 2002 | 5 | 354 | 16.0 | 8.20 | 11.70 | B9 | D | 195351.79+390625.8 | |
19539+3906 | SEI 718 | 2010 | 6 | 354 | 15.2 | 8.04 | 11.70 | B9 | 195351.79+390625.8 | ||
19539+3906 | SEI 718 | 2015 | 7 | 354 | 15.9 | 8.04 | 11.70 | B9 | 195351.79+390625.8 |