Exposure
ID
GRAVI.2024-08-18T03:27:16.152_1
Header ID
GRAVI.2024-08-18T03:27:16.152
Date updated
2024-08-18 03:35:40 UTC+0000
Release date
2024-08-18 03:27:16 UTC+0000
UTC Start
2024-08-18 03:27:16.152
UTC End
2024-08-18 03:31:16.152
MJD Start
60540.14393695
MJD End
60540.14671472778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0019464999999999999
Ambient temperature (°C)
12.79
Seeing (arcsec)
1.335
Observation
ID
60348
Category
calibrator
Program ID
113.26GP.002
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
44803
Name
HD_181626
RA
291.503479
DEC
-67.19703
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 88.6530 88.7590 124.0000 125.0000
A0-J2 128.8710 128.8020 107.1000 108.1000
A0-K0 121.0450 120.7450 90.5520 91.5240
G1-J2 51.0900 50.8950 76.7000 77.6000
G1-K0 67.9140 67.6120 44.4790 45.1920
J2-K0 36.7690 36.7810 356.6690 357.2850
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26GP.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60540.14393695
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 181626
HIERARCH ESO INS SOBJ NAME HD_181626
RA 291.503479
DEC -67.19703
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 88.653
HIERARCH ESO ISS PBL12 END 88.759
HIERARCH ESO ISS PBLA12 START 124.0
HIERARCH ESO ISS PBLA12 END 125.0
HIERARCH ESO ISS PBL13 START 128.871
HIERARCH ESO ISS PBL13 END 128.802
HIERARCH ESO ISS PBLA13 START 107.1
HIERARCH ESO ISS PBLA13 END 108.1
HIERARCH ESO ISS PBL14 START 121.045
HIERARCH ESO ISS PBL14 END 120.745
HIERARCH ESO ISS PBLA14 START 90.552
HIERARCH ESO ISS PBLA14 END 91.524
HIERARCH ESO ISS PBL23 START 51.09
HIERARCH ESO ISS PBL23 END 50.895
HIERARCH ESO ISS PBLA23 START 76.7
HIERARCH ESO ISS PBLA23 END 77.6
HIERARCH ESO ISS PBL24 START 67.914
HIERARCH ESO ISS PBL24 END 67.612
HIERARCH ESO ISS PBLA24 START 44.479
HIERARCH ESO ISS PBLA24 END 45.192
HIERARCH ESO ISS PBL34 START 36.769
HIERARCH ESO ISS PBL34 END 36.781
HIERARCH ESO ISS PBLA34 START 356.669
HIERARCH ESO ISS PBLA34 END 357.285
HIERARCH ESO ISS AMBI TAU0 START 0.002036
HIERARCH ESO ISS AMBI TAU0 END 0.001857
HIERARCH ESO ISS AMBI TEMP 12.79
HIERARCH ESO ISS AMBI FWHM START 1.22
HIERARCH ESO ISS AMBI FWHM END 1.45