17250-2022 DON 838 (HD 157610)

17^h 25^m 02.59^s -20° 21' 44.2" P.A. 340.00 sep 0.4 mag 11.00,11.40 Sp B9V

Coord 2000	17250-2022	Discov num	DON 838	Comp		Coord arcsec 2000	17 25 02.59 -20 21 44.2
Date first	1932	Date last	1951	Obs	4
Pa first	337	Pa last	340.1	P.A. Now (θ)	340.1°
Sep first	0.4	Sep last	0.4	Sep. Now (ρ)	0.4"
Mag pri	11.00	Mag sec	11.40	delta mag (ΔM)	0.4	Spectral class	B9V (blue-white)
Pri motion ra	-007	Sec motion ra
Pri motion dec	-010	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 157610		Constellation	Ophiuchus		Tycho2	6242-01183-1		Gaia DR2	4121286824372139520
HD	157610

WDS 17250-2022 DON 838 (HD 157610) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Don1937	Ma j	Donner, H.F.	1937MmRAS..65...51R
Don1937		MemRAS 65, 51, 1937
Don1955	Ma -	Donner, H.F.	1955POMic..11....1R
Don1955		Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964	Ma j	Donner, H.F.	1964POMic...9...73R
Don1964		Pub. Univ. Michigan Obs. 9, 73, 1964

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17250-2022	DON 838		1951	4	340	0.4	11.00	11.40	B9V		172502.59-202144.2

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WDS 17250-2022 DON 838 (HD 157610) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17250-2022 DON 838 (HD 157610) : MEASURES

No records found.

WDS 17250-2022 (HD 157610) : VIRTUAL EYEPIECE

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WDS 17250-2022 (HD 157610) : ALADIN DSS IMAGE @ 17^h 25^m 02.59^s -20° 21' 44.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17250-2022 DON 838 (HD 157610) : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		17250-2022	DON 838		340	0.4
Show		17228-2024	TDT 327		83	0.6	33
Show		17268-1959	I 599		133	2.2	34
Show		17226-2004	B 2834		354	6.5	39
Show		17226-2049	DON 833		257	7.8	44
Show		17221-2044	SEE 326		7	0.9	48
Show		17264-1931	HJ 4953		174	18.4	55
Show		17262-1930	GWP2712		70	11.9	55
Show		17226-1937	MOC 12	AB	14	2.8	57
Show		17226-1937	MOC 12	AC	241	4.3	57
Show		17226-1937	MOC 12	AD	177	5.0	57
Show		17283-2058	A 2244	AB	51	0.1	58
Show		17283-2058	OCC1098	Aa,Ab	-1	0.1	58
Show		17233-1927	HDS2455		314	0.4	61
Show		17264-2123	OCC1097		-1	0.0	64
Show		17247-2126	HLD 134		140	4.5	65
Show		17258-1918	RST5542	AB	289	0.1	65
Show		17258-1918	HLD 135	AB,C	89	2.6	65
Show		17267-2128	OCC9164		-1	0.1	71
Show		17210-2107	DON 832	AB	26	4.1	73
Show		17210-2107	TNN 8	AC	261	10.8	73
Show		17200-1959	I 592		270	14.7	75
Show		17257-2138	TDT 345		303	1.7	77
Show		17238-2138	HDS2456		205	0.1	79
Show		17293-2115	OCC 410		-1	0.1	80
Show		17236-2143	HLD 133		171	0.9	84
Show		17199-1941	A 2240		203	1.6	84
Show		17190-2034	RSS 435		303	19.8	86
Show		17189-2029	ARA1124		73	6.6	87
Show		17189-2005	ARA 713		300	7.1	89
Show		17206-1920	A 2241	AB	70	5.3	89
Show		17206-1920	OCC 529	Aa,Ab	-1	1.3	89
Show		17221-2138	LDS 594		99	4.8	91
Show		17200-2119	RST3086		265	2.6	92
Show		17306-1933	HU 1180		73	2.2	93
Show		17303-2119	OCC1099		-1	0.0	93
Show		17200-2132	HU 750		112	1.9	100
Show		17321-2035	LDS5226		69	10.0	100
Show		17316-2113	ARA1497		229	8.3	105
Show		17219-1846	SLE 14		290	16.3	106
Show		17311-2129	RST3107		226	0.4	108
Show		17307-1907	ARA 714	AB	300	14.5	110
Show		17178-1940	BHA 18		40	6.0	110
Show		17224-1839	ARA 442		307	6.2	110
Show		17188-1915	I 591		36	1.1	111
Show		17282-1836	RST3102		74	0.8	115
Show		17315-2134	I 602		313	3.3	116
Show		17245-2217	RST3094		16	1.0	116
Show		17203-1842	RST3089		159	0.6	120
Show		17194-1849	SLE 12		203	24.2	123
Show		17293-2213	SKF2523		314	3.5	126

WDS 17250-2022 : COMPONENTS

	A
B	pa=341.3° sep=0.40"

17250-2022 A

Componente originario normalizzato	AB	Name	HD 157610	Coord arcsec 2000	172502.59-202144.2	Mag	11
Spectral class	B9V (blue-white)	PmRA	-7.00	PmDE	-10.0	Tycho2	6242-01183-1
HD	157610

Tycho2

Tycho2	6242-01183-1	Pflag		RAmdeg	261.26081388	DEmdeg	-20.36229027
PmRA	-5.1	PmDE	-4.3	E RAmdeg	25	E DEmdeg	34
E pmRA	2.6	E pmDE	2.7	EpRAm	1990.09	EpDEm	1988.51
Num	4	Q RAmdeg	1.6	Q DEmdeg	1.4	Q pmRA	1.6
Q pmDE	1.4	BTmag	10.710	E BTmag	0.046	VTmag	10.451
E VTmag	0.052	Prox	999	TYC	T	HIP
CCDM		RAdeg	261.26082306	DEdeg	-20.36227500	EpRA 1990	1.74
EpDE 1990	1.35	E RAdeg	26.4	E DEdeg	36.4	Posflg
Corr	0.1

17250-2022 B

Componente originario normalizzato	AB		Coord arcsec 2000	172502.58-202143.8		Mag	11.4		Calc delta mag	0.4
Calc coord	yes