Coord 2000 | 20159+4257 |
Discov num | ROE 42 |
Comp | Coord arcsec 2000 | 20 15 54.16 +42 56 34.4 |
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Date first | 1892 |
Date last | 2015 |
Obs | 19 |
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Pa first | 94 |
Pa last | 91 |
P.A. Now (θ) | 91° |
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Sep first | 6.0 |
Sep last | 6.1 |
Sep. Now (ρ) | 6.1" |
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Mag pri | 10.68 |
Mag sec | 11.06 |
delta mag (ΔM) | 0.38 |
Spectral class | |||||
Pri motion ra | +004 |
Sec motion ra | +005 |
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Pri motion dec | -008 |
Sec motion dec | -008 |
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Notes |
Precise pa | 91.3 |
Precise sep | 6.051 |
Constellation | Cygnus |
Tycho2 | 3159-00956-2 |
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Gaia DR2 | 42373675392 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20159+4257 | ROE 42 | 2006 | 7 | 92 | 6.0 | 10.68 | 11.06 | D | 201554.16+425634.4 | ||
20159+4257 | ROE 42 | 2007 | 14 | 91 | 6.0 | 10.68 | 11.06 | 201554.16+425634.4 | |||
20159+4257 | ROE 42 | 2010 | 15 | 93 | 4.8 | 10.68 | 11.06 | 201554.16+425634.4 | |||
20159+4257 | ROE 42 | 2015 | 15 | 91 | 6.1 | 10.68 | 11.06 | 201554.16+425634.4 |