Exposure
ID
GRAVI.2025-03-23T07:56:45.985_1
Header ID
GRAVI.2025-03-23T07:56:45.985
Date updated
2025-03-23 08:10:40 UTC+0000
Release date
2026-03-23 08:10:40 UTC+0000
UTC Start
2025-03-23 07:56:45.985
UTC End
2025-03-23 08:02:45.985
MJD Start
60757.33108779
MJD End
60757.335254456666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0041069999999999995
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.66
Observation
ID
65834
Category
science
Program ID
115.28G0.002
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
48995
Name
UCAC4_354-078108
RA
247.956033
DEC
-19.33365
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.9200 88.4150 110.4000 110.8000
A0-J2 123.4830 124.4280 86.6000 87.2000
A0-K0 121.8530 122.7320 63.7570 64.4770
G1-J2 55.8010 56.1090 47.1000 47.9000
G1-K0 88.7480 88.8870 17.6470 18.4410
J2-K0 48.6390 48.6310 343.3040 343.8590
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28G0.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60757.33108779
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME UCAC4 354-078108
HIERARCH ESO INS SOBJ NAME UCAC4_354-078108
RA 247.956033
DEC -19.33365
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 87.92
HIERARCH ESO ISS PBL12 END 88.415
HIERARCH ESO ISS PBLA12 START 110.4
HIERARCH ESO ISS PBLA12 END 110.8
HIERARCH ESO ISS PBL13 START 123.483
HIERARCH ESO ISS PBL13 END 124.428
HIERARCH ESO ISS PBLA13 START 86.6
HIERARCH ESO ISS PBLA13 END 87.2
HIERARCH ESO ISS PBL14 START 121.853
HIERARCH ESO ISS PBL14 END 122.732
HIERARCH ESO ISS PBLA14 START 63.757
HIERARCH ESO ISS PBLA14 END 64.477
HIERARCH ESO ISS PBL23 START 55.801
HIERARCH ESO ISS PBL23 END 56.109
HIERARCH ESO ISS PBLA23 START 47.1
HIERARCH ESO ISS PBLA23 END 47.9
HIERARCH ESO ISS PBL24 START 88.748
HIERARCH ESO ISS PBL24 END 88.887
HIERARCH ESO ISS PBLA24 START 17.647
HIERARCH ESO ISS PBLA24 END 18.441
HIERARCH ESO ISS PBL34 START 48.639
HIERARCH ESO ISS PBL34 END 48.631
HIERARCH ESO ISS PBLA34 START 343.304
HIERARCH ESO ISS PBLA34 END 343.859
HIERARCH ESO ISS AMBI TAU0 START 0.004467
HIERARCH ESO ISS AMBI TAU0 END 0.003747
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.67