Exposure
ID
GRAVI.2025-05-23T05:13:49.212_1
Header ID
GRAVI.2025-05-23T05:13:49.212
Date updated
2025-05-23 05:26:02 UTC+0000
Release date
2025-05-23 05:13:49 UTC+0000
UTC Start
2025-05-23 05:13:49.212
UTC End
2025-05-23 05:17:01.212
MJD Start
60818.21793069
MJD End
60818.220152912225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.003945499999999999
Ambient temperature (°C)
13.64
Seeing (arcsec)
0.6799999999999999
Observation
ID
67542
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
50232
Name
HD_152636
RA
253.990732
DEC
-33.50683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.1230 68.1920 268.6000 269.2000
K0-D0 95.9550 95.9740 248.3000 248.8000
K0-J3 55.6980 55.7620 330.3150 330.7100
G2-D0 39.8370 39.8120 211.9000 212.4000
G2-J3 64.3620 64.3230 39.0180 39.4870
D0-J3 104.0120 103.9460 36.3110 36.7740
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60818.21793069
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.990732
DEC -33.50683
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 68.123
HIERARCH ESO ISS PBL12 END 68.192
HIERARCH ESO ISS PBLA12 START 268.6
HIERARCH ESO ISS PBLA12 END 269.2
HIERARCH ESO ISS PBL13 START 95.955
HIERARCH ESO ISS PBL13 END 95.974
HIERARCH ESO ISS PBLA13 START 248.3
HIERARCH ESO ISS PBLA13 END 248.8
HIERARCH ESO ISS PBL14 START 55.698
HIERARCH ESO ISS PBL14 END 55.762
HIERARCH ESO ISS PBLA14 START 330.315
HIERARCH ESO ISS PBLA14 END 330.71
HIERARCH ESO ISS PBL23 START 39.837
HIERARCH ESO ISS PBL23 END 39.812
HIERARCH ESO ISS PBLA23 START 211.9
HIERARCH ESO ISS PBLA23 END 212.4
HIERARCH ESO ISS PBL24 START 64.362
HIERARCH ESO ISS PBL24 END 64.323
HIERARCH ESO ISS PBLA24 START 39.018
HIERARCH ESO ISS PBLA24 END 39.487
HIERARCH ESO ISS PBL34 START 104.012
HIERARCH ESO ISS PBL34 END 103.946
HIERARCH ESO ISS PBLA34 START 36.311
HIERARCH ESO ISS PBLA34 END 36.774
HIERARCH ESO ISS AMBI TAU0 START 0.003515
HIERARCH ESO ISS AMBI TAU0 END 0.004376
HIERARCH ESO ISS AMBI TEMP 13.64
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.6