Exposure
ID
GRAVI.2025-06-24T02:30:24.757_1
Header ID
GRAVI.2025-06-24T02:30:24.757
Date updated
2025-06-24 02:40:54 UTC+0000
Release date
2025-06-24 02:30:24 UTC+0000
UTC Start
2025-06-24 02:30:24.757
UTC End
2025-06-24 02:33:36.757
MJD Start
60850.10445321
MJD End
60850.106675432224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004254
Ambient temperature (°C)
11.16
Seeing (arcsec)
0.58
Observation
ID
68225
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
50708
Name
HD_152636
RA
253.988065
DEC
-33.50683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.4250 24.4850 135.9000 136.3000
A0-D0 31.6610 31.7150 62.9000 63.4000
A0-C1 21.8270 21.9010 108.3790 108.8150
B2-D0 33.8790 33.8710 19.3000 19.7000
B2-C1 11.2850 11.2820 19.2200 19.6780
D0-C1 22.5940 22.5880 199.2810 199.7400
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 60850.10445321
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.988065
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 24.425
HIERARCH ESO ISS PBL12 END 24.485
HIERARCH ESO ISS PBLA12 START 135.9
HIERARCH ESO ISS PBLA12 END 136.3
HIERARCH ESO ISS PBL13 START 31.661
HIERARCH ESO ISS PBL13 END 31.715
HIERARCH ESO ISS PBLA13 START 62.9
HIERARCH ESO ISS PBLA13 END 63.4
HIERARCH ESO ISS PBL14 START 21.827
HIERARCH ESO ISS PBL14 END 21.901
HIERARCH ESO ISS PBLA14 START 108.379
HIERARCH ESO ISS PBLA14 END 108.815
HIERARCH ESO ISS PBL23 START 33.879
HIERARCH ESO ISS PBL23 END 33.871
HIERARCH ESO ISS PBLA23 START 19.3
HIERARCH ESO ISS PBLA23 END 19.7
HIERARCH ESO ISS PBL24 START 11.285
HIERARCH ESO ISS PBL24 END 11.282
HIERARCH ESO ISS PBLA24 START 19.22
HIERARCH ESO ISS PBLA24 END 19.678
HIERARCH ESO ISS PBL34 START 22.594
HIERARCH ESO ISS PBL34 END 22.588
HIERARCH ESO ISS PBLA34 START 199.281
HIERARCH ESO ISS PBLA34 END 199.74
HIERARCH ESO ISS AMBI TAU0 START 0.004296
HIERARCH ESO ISS AMBI TAU0 END 0.004212
HIERARCH ESO ISS AMBI TEMP 11.16
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.57