20390-3445 BRT 1811

20^h 39^m 01.46^s -34° 44' 42.9" P.A. 277.00 sep 2.4 mag 10.90,11.90

Coord 2000	20390-3445	Discov num	BRT1811	Comp		Coord arcsec 2000	20 39 01.46 -34 44 42.9
Date first	1913	Date last	1913	Obs	1
Pa first	277	Pa last	277.2	P.A. Now (θ)	277.2°
Sep first	2.4	Sep last	2.425	Sep. Now (ρ)	2.425"
Mag pri	10.90	Mag sec	11.90	delta mag (ΔM)	1	Spectral class
Pri motion ra	+004	Sec motion ra
Pri motion dec	-012	Sec motion dec
Notes	N X (See Notes, Dubious double)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Microscopium

Gaia DR2

6791493594594097152

WDS 20390-3445 BRT 1811 : NOTES

discov_num	notes	refcode
BRT1811	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
20390-3445	BRT1811		1913	1	277	2.4	10.90	11.90			203901.46-344442.9

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WDS 20390-3445 BRT 1811 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20390-3445 BRT 1811 : MEASURES

No records found.

WDS 20390-3445 : VIRTUAL EYEPIECE

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WDS 20390-3445 : ALADIN DSS IMAGE @ 20^h 39^m 01.46^s -34° 44' 42.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20390-3445 BRT 1811 : 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		20390-3445	BRT1811		277	2.4
Show		20362-3506	SKF1246		169	21.8	41
Show		20365-3413	RST3264		99	2.7	45
Show		20347-3435	TDT2390		225	0.4	55
Show		20437-3509	KPP 941		156	7.7	63
Show		20340-3455	TDT2380	AB	76	0.5	63
Show		20348-3355	HJ 5207		257	10.5	73
Show		20436-3532	HJ 5215		183	22.8	73
Show		20452-3510	SEE 428		188	4.4	80
Show		20411-3327	SEE 424	A,BC	335	11.2	83
Show		20411-3327	B 993	BC	40	0.4	83
Show		20458-3443	HJ 5219		323	8.5	85
Show		20351-3330	BRT1809		154	3.0	90
Show		20374-3312	SKF2088		135	13.2	95
Show		20392-3304	RST2148		31	1.1	101
Show		20330-3336	TDT2362		146	0.5	102
Show		20366-3308	RST2146		245	1.9	102
Show		20317-3531	HJ 5205		36	33.3	102
Show		20381-3627	KPP3107		325	6.6	104
Show		20442-3607	UC 4273		22	17.6	104
Show		20362-3301	LDS 715		144	91.8	112
Show		20431-3305	UC 4268			40.3	113
Show		20338-3313	RSS 552		29	6.7	113
Show		20404-3251	SHY 781		310	999.9	115
Show		20318-3558	RSS 551		175	15.4	116
Show		20480-3523	B 2892		104	8.1	117
Show		20467-3336	HDS2960	AB	158	0.2	117
Show		20467-3336	SKF2090	AC	190	88.1	117
Show		20314-3335	NSN 493		182	11.8	118
Show		20379-3248	BRT1810		204	7.3	118
Show		20300-3542	BRT1808		146	10.9	125
Show		20337-3255	TDT2374		131	3.0	128
Show		20338-3643	HDS2939		161	0.3	135
Show		20452-3120	LDS 720	BC	128	1.8	144
Show		20501-3534	HDS2969		174	0.1	145
Show		20291-3327	RST2142		327	1.9	146
Show		20364-3706	B 2888		259	13.3	146
Show		20448-3653	UC 4278		250	22.0	146
Show		20500-3347	HJ 5224		165	20.2	148
Show		20369-3713	KPP1356		244	10.2	151
Show		20467-3245	RST2160		138	0.5	154
Show		20478-3636	LWR 17		20	9.0	154
Show		20506-3545	TDT2573		74	0.4	155
Show		20478-3255	WIS 343		9	525.5	156
Show		20329-3227	UC 4214		142	15.2	157
Show		20518-3434	B 504		38	2.3	159
Show		20296-3638	RST3260		302	2.2	162
Show		20451-3221	KPP3118	Aa,Ab	16	1.6	162
Show		20451-3221	LDS5910		355	283.9	162
Show		20518-3523	KPP1661		42	12.8	162
Show		20521-3428	B 999		328	1.3	163

WDS 20390-3445 : COMPONENTS

	A
B	pa=278.7° sep=2.00"

20390-3445 A

Componente originario normalizzato	AB		Coord arcsec 2000	203901.46-344442.9		Mag	10.9		PmRA	4.00
PmDE	-12.0

20390-3445 B

Componente originario normalizzato	AB		Coord arcsec 2000	203901.30-344442.6		Mag	11.9		Calc delta mag	1
Calc coord	yes