17497-2100 BRT 1509

17^h 49^m 38.61^s -20° 59' 28.7" P.A. 90.00 sep 3.6 mag 12.10,12.85

Coord 2000	17497-2100	Discov num	BRT1509	Comp		Coord arcsec 2000	17 49 38.61 -20 59 28.7
Date first	1923	Date last	1923	Obs	1
Pa first	90	Pa last	90.1	P.A. Now (θ)	90.1°
Sep first	3.6	Sep last	3.617	Sep. Now (ρ)	3.617"
Mag pri	12.10	Mag sec	12.85	delta mag (ΔM)	0.75	Spectral class
Pri motion ra		Sec motion ra
Pri motion dec		Sec motion dec
Notes	N X B (See Notes, Dubious double, Blue magnitudes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Gaia DR2

4118663462726820480

WDS 17497-2100 BRT 1509 : NOTES

discov_num	notes	refcode
BRT1509	A likely plate flaw.	Grv2021b

REFERENCES

refcode	metd	author	reference
Grv2021b	not -	Greaves, J.	.
Grv2021b		private communication, 2021 (23 Feb 2021 email)

DISCOVERER

idgroup	discov	author
1	BRT	Barton, S.G.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17497-2100	BRT1509		1923	1	90	3.6	12.10	12.85		B	174938.61-205928.7

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WDS 17497-2100 BRT 1509 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17497-2100 BRT 1509 : MEASURES

No records found.

WDS 17497-2100 : VIRTUAL EYEPIECE

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WDS 17497-2100 : ALADIN DSS IMAGE @ 17^h 49^m 38.61^s -20° 59' 28.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17497-2100 BRT 1509 : 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		17497-2100	BRT1509		90	3.6
Show		17518-2104	LSC 79		266	0.3	31
Show		17474-2106	ARA1502		102	12.8	34
Show		17522-2051	BHA 20		241	4.0	38
Show		17526-2108	J 1616		151	6.0	43
Show		17467-2131	HDS2513	AB	15	22.0	52
Show		17531-2125	HDS2524		331	0.1	55
Show		17536-2049	OL 102		278	3.6	57
Show		17496-2000	HJ 2810	AB	187	44.0	60
Show		17496-2000	BU 1460	AD	270	297.0	60
Show		17496-2000	BU 1460	DC	302	34.6	60
Show		17496-2000	BU 1460	DE	148	30.5	60
Show		17478-2211	B 358	AB	219	24.8	77
Show		17478-2211	B 358	BC	121	4.4	77
Show		17489-2219	BRT1508		235	4.2	80
Show		17552-2035	DON 869		127	0.6	81
Show		17529-2218	ARA1826		97	7.1	92
Show		17431-2112	VVV 44		251	1.8	93
Show		17552-2149	ARA1504		163	9.4	93
Show		17530-2219	ARA1827		35	12.7	94
Show		17533-2221	HJ 4990		300	23.6	96
Show		17434-2141	OCC 401		-1	0.0	97
Show		17485-2237	DAW 30		131	1.1	100
Show		17568-2036	J 1617	AB	104	8.3	103
Show		17568-2036	J 1617	AC	248	10.6	103
Show		17432-2151	ARA1501		113	12.8	104
Show		17480-2240	HU 1524		350	0.9	104
Show		17567-2026	DON 871		310	5.4	104
Show		17555-2203	ARA1830		122	11.9	105
Show		17425-2132	ARA1500		231	3.2	105
Show		17535-2231	ARA1828		94	7.0	107
Show		17575-2113	BRT1511		216	3.7	111
Show		17462-2242	BRT1507		269	8.2	113
Show		17425-2006	OCC 37		-1	0.1	114
Show		17543-1927	DOO 69		88	11.6	114
Show		17418-2032	ARA1129		270	6.5	115
Show		17519-2250	ARA1825		355	7.1	115
Show		17415-2125	VVV 43		81	3.7	117
Show		17546-1924	TDT 567		176	1.7	119
Show		17433-2221	VVV 45		18	3.3	120
Show		17577-2143	HDS2530		179	0.6	121
Show		17412-2127	ARA1499		289	13.9	122
Show		17460-1909	VVV 48		1	3.1	123
Show		17576-2158	ARA1506		17	13.5	127
Show		17575-1957	A 2255		302	1.3	127
Show		17486-1854	A 2252		219	3.7	127
Show		17427-2222	HJ 591		12	22.5	128
Show		17546-1911	HJ 2812		134	12.5	129
Show		17405-2055	BRT1506		269	5.0	129
Show		17405-2045	DON 856		57	0.4	130
Show		17576-1953	OCC1021		-1	0.0	130

WDS 17497-2100 : COMPONENTS

	A
B	pa=90.1° sep=3.38"

17497-2100 A

Componente originario normalizzato

Coord arcsec 2000

174938.61-205928.7

Mag

12.1

17497-2100 B

Componente originario normalizzato	AB		Coord arcsec 2000	174938.85-205928.7		Mag	12.85		Calc delta mag	0.75
Calc coord	yes