21553+1842 HO 173

Coord 2000	21553+1842		Discov num	HO  173		Comp			Coord arcsec 2000	21 55 17.17 +18 43 11.7
Date first	1881		Date last	2016		Obs	18
Pa first	73		Pa last	73.1		P.A. Now (θ)	73.1°
Sep first	1.1		Sep last	0.9		Sep. Now (ρ)	0.9"
Mag pri	10.34		Mag sec	10.63		delta mag (ΔM)	0.29		Spectral class
Pri motion ra	+012		Sec motion ra	+012
Pri motion dec	-014		Sec motion dec	-014
Notes

Nature of this double is uncertain.

Constellation

Pegasus

Tycho2

1683-00821-1

Gaia DR2

1779418419751224064

ADS

15445

No records found.

refcode	metd	author	reference
Ho_1883	Ma j	Hough, G.W.	1883MNRAS..43..371H
Ho_1883		MNRAS 43, 371, 1883 (data also in Ho_1890)	1890AN....125....1H
Ho_1884	Ma j	Hough, G.W.	1884MNRAS..44..365H
Ho_1884		MNRAS 44, 365, 1884 (data also in Ho_1890)	1890AN....125....1H
Ho_1885	Ma j	Hough, G.W.	1885MNRAS..45..417H
Ho_1885		MNRAS 45, 417, 1885 (data also in Ho_1890)	1890AN....125....1H
Ho_1886	Ma j	Hough, G.W.	1886MNRAS..46..393H
Ho_1886		MNRAS 46, 393, 1886 (data also in Ho_1890)	1890AN....125....1H
Ho_1887	Ma j	Hough, G.W.	1887AN....116..273H
Ho_1887		AN 116, 273, 1887
Ho_1890	Ma j	Hough, G.W.	1890AN....125....1H
Ho_1890		AN 125, 1, 1890
Ho_1890b	Ma j	Hough, G.W.	1890AJ......9..177H
Ho_1890b		AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b)	1890AN....125....1H
Ho_1894a	Ma -	Hough, G.W.	1894MNRAS..54..251H
Ho_1894a		MNRAS 54, 251, 1894
Ho_1894b	Ma j	Hough, G.W. (HO 304 - 490)	1894AN....135..281H
Ho_1894b		AN 135, 281, 1894
Ho_1894c	Ma -	Hough, G.W. (measure by Dembowski, H.)	1894AN....135..281H
Ho_1894c		AN 135, 281, 1894
Ho_1899a	Ma j	Hough, G.W.	1899AN....149..65H
Ho_1899a		AN 149, 65, 1899
Ho_1899b	Ma -	Hough, G.W. (measure by Burnham, S.W.)	1899AN....149..65H
Ho_1899b		AN 149, 65, 1899
Ho_1907	Ma -	Hough, G.W.	1907PFAO....3c...1D
Ho_1907		Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A	Ma -	Hough, G.W.	1932QB821.A43......
Ho_1932A		cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21553+1842	HO 173		1991	14	82	0.7	10.34	10.63			215517.17+184311.7
21553+1842	HO 173		2016	15	73	0.9	10.34	10.63			215517.17+184311.7

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No records found.


No records found.

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

FoV: 30" 1' 5' 15' 30' 1° 2° 4° 5° 8° Limit: 2 3 4 5 10 15 20 25 30 50 100 Primaries only
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Show name coord_2000 discov# comp pa sep dist(') Show 21553+1842 HO 173 73 0.9 Show 21550+1849 UC 4596 308 17.3 8 Show 21551+1908 J 2 35 3.5 26 Show 21549+1914 AMS 2 199 7.0 32 Show 21541+1803 SKF2182 326 74.9 44 Show 21550+1926 TDT3238 230 0.6 44 Show 21557+1752 BPM2413 343 97.0 52 Show 21579+1759 GWP3109 338 7.2 59 Show 21565+1940 HU 382 221 0.3 60 Show 21543+1943 STF2841 A,BC 110 22.4 62 Show 21543+1943 COU 432 BC 299 0.1 62 Show 21517+1918 STF2834 AB 298 4.3 63 Show 21517+1918 BU 1506 AC 116 29.7 63 Show 21517+1918 BU 1506 BC 118 29.9 63 Show 21514+1916 WSI 24 24 14.2 65 Show 21515+1806 GIC 173 140 5.7 65 Show 21598+1843 UC 4623 183 42.9 65 Show 21560+1948 ALL 4 208 19.2 66 Show 21536+1735 J 288 309 6.7 72 Show 21531+1731 DAM 240 BC 73 8.7 77 Show 21531+1731 J 3150 AB 335 4.6 77 Show 21516+1950 HJ 947 BC 297 41.1 85 Show 21516+1950 HJ 947 AB 98 18.9 85 Show 21516+1950 HJ 947 AC 310 24.3 85 Show 21592+1950 GWP3112 169 82.8 88 Show 21564+1712 LDS1483 292 68.7 93 Show 22016+1909 GRV 534 263 31.5 95 Show 21598+1731 LDS1486 112 10.1 98 Show 21577+2015 STF2849 243 1.7 98 Show 21505+1953 LDS4916 298 198.7 99 Show 22019+1913 GRV 536 38 67.7 99 Show 21594+1719 COU 433 118 0.6 103 Show 21479+1824 BPM2409 309 97.5 107 Show 21501+1717 COU 14 67 0.3 114 Show 21569+2037 LDS1484 218 9.1 115 Show 21477+1755 LDS4909 66 32.7 118 Show 21545+1644 HEI 191 24 6.0 120 Show 22027+1939 TDS1153 38 0.9 120 Show 21527+1650 BPM2410 239 60.8 120 Show 21513+2036 SKF2181 353 18.9 127 Show 21576+2047 L 37 90 2.9 128 Show 21592+2042 UC 4621 321 13.8 132 Show 21466+1929 COU 431 184 0.5 133 Show 21577+1629 BPM2416 307 75.9 139 Show 21510+1637 GWP3102 92 28.0 141 Show 21497+2039 TDT3182 210 1.9 141 Show 21597+2049 GRV 526 81 45.6 142 Show 22018+1654 LDS1055 298 46.3 143 Show 21544+1621 HEI 82 73 1.6 144 Show 21571+1619 UC 4609 122 24.7 147 Show 21545+1615 J 1897 20 8.6 150

	A
B	pa=72.2° sep=0.86"

Componente originario normalizzato	AB		Coord arcsec 2000	215517.17+184311.7		Mag	10.34		PmRA	12.00
PmDE	-14.0		Tycho2	1683-00821-1		ADS	15445		DM	BD+18 4888

Tycho2	1683-00821-1		Pflag			RAmdeg	328.82162022		DEmdeg	18.71992256
PmRA	11.8		PmDE	-13.6		E RAmdeg	15		E DEmdeg	17
E pmRA	1.5		E pmDE	1.5		EpRAm	1989.45		EpDEm	1988.94
Num	4		Q RAmdeg	2.5		Q DEmdeg	1.4		Q pmRA	2.5
Q pmDE	1.4		BTmag	10.305		E BTmag	0.029		VTmag	9.870
E VTmag	0.028		Prox	999		TYC	T		HIP
CCDM			RAdeg	328.82158889		DEdeg	18.71995111		EpRA 1990	1.82
EpDE 1990	1.76		E RAdeg	15.5		E DEdeg	17.9		Posflg
Corr	-0.2

Componente originario normalizzato	AB		Coord arcsec 2000	215517.23+184312.0		Mag	10.63		PmRA	12.00
PmDE	-14.0		Calc delta mag	0.29		Calc coord	yes