Login Get Account Search [?]
Project VS-COMPAS

Variable Stars Common Observation
Mission in Particular Areas of the Sky



1347 stars discovered as of Nov 15, 2015
News Discoveries Search Bulletin Observing Articles Classification References Tools Team

NSVS 13638646   [SIMBAD Query] [VizieR] [Aladin] [DSS 15min] [Locating Chart]

AAVSO UID:000-BLH-452 [data]
Constellation:Ophiuchus
J2000.0:17 18 13.69 -04 38 50.6
259.55704 -4.64739

B1950.0:17 15 34.66 -04 35 43.2
Other designations:
2MASS J17181369-0438506
ASAS J171814-0438.8
CSS_J171813.7-043850
GSC 05074-00352
SSS_J171813.7-043850
UCAC4 427-067763
USNO-B1.0 0853-0311241
WISE J171813.70-043850.5

Var. type:EW
Spec. type:--
Mag. range:13.26 - 13.72 V
Epoch:
27 Jul 2007 (HJD 2454309.44900)

Min II= 13.65 V. J-K= 0.43. ASAS-3 and NSVS magnitudes contaminated by 2MASS J17181354-0439051 (J-K= 0.48, V= 17.4, sep. 14"). Also NSVS magnitudes contaminated by 2MASS J17181613-0438469 (J-K= 0.83, V= 17.5, sep. 36"). Range has been corrected.
Period:            0.614851 d Discoverer: Siarhey Hadon, VS-COMPAS Team

Visibility Chart

Thursday, September 11, 2025 Friday, September 12, 2025
131415161718 192021222300 010203040506 070809101112
   Sun and Moon
sunset   sunrise
         
19:49
@ 98.1°
06:52
@ 261.7°
moonset   moonrise
     
12:03
@ 121.4°
20:37
@ 234.2°

131415161718 192021222300 010203040506 070809101112

NSVS 13638646
rise   set
     
13:41
@ 277.0°
00:56
@ 83.0°
max
12.3m
max
12.3m
 
131415161718 192021222300 010203040506 070809101112


Statistics Overview

Variables by Constellation
Variables by Type
Variables by Magnitude
Variables by Period

Build Own Criteria
Variable Stars Observer Bulletin

Project VS-COMPAS © 2011-2014
Hosted by: hoster.by