Coord 2000 | 19417+3855 |
Discov num | SEI 660 |
Comp | Coord arcsec 2000 | 19 41 39.06 +38 54 49.2 |
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Date first | 1896 |
Date last | 2015 |
Obs | 10 |
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Pa first | 250 |
Pa last | 253 |
P.A. Now (θ) | 253° |
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Sep first | 11.8 |
Sep last | 11.8 |
Sep. Now (ρ) | 11.8" |
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Mag pri | 9.77 |
Mag sec | 12.60 |
delta mag (ΔM) | 2.83 |
Spectral class | A0 (white) |
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Pri motion ra | -001 |
Sec motion ra | -003 |
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Pri motion dec | -003 |
Sec motion dec | +001 |
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Notes |
Precise pa | 252.5 |
Precise sep | 11.817 |
Constellation | Cygnus |
SAO | 68707 |
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Tycho2 | 3136-00770-1 |
Gaia DR2 | 86975586688 |
HD | 225418 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
19417+3855 | SEI 660 | 1998 | 4 | 253 | 11.8 | 9.77 | 12.60 | A0 | D | 194139.06+385449.2 | |
19417+3855 | SEI 660 | 2002 | 5 | 253 | 11.8 | 9.77 | 12.60 | A0 | D | 194139.06+385449.2 | |
19417+3855 | SEI 660 | 2010 | 6 | 253 | 11.3 | 9.77 | 12.60 | A0 | 194139.06+385449.2 | ||
19417+3855 | SEI 660 | 2015 | 10 | 253 | 11.8 | 9.77 | 12.60 | A0 | 194139.06+385449.2 |