Exposure
ID
GRAVI.2025-06-24T02:14:03.716_1
Header ID
GRAVI.2025-06-24T02:14:03.716
Date updated
2025-06-24 02:26:03 UTC+0000
Release date
2025-06-24 02:14:03 UTC+0000
UTC Start
2025-06-24 02:14:03.716
UTC End
2025-06-24 02:17:15.716
MJD Start
60850.09309856
MJD End
60850.095320782224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0047145
Ambient temperature (°C)
11.26
Seeing (arcsec)
0.55
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 24.1260 24.1980 134.3000 134.7000
A0-D0 31.3740 31.4460 60.3000 60.9000
A0-C1 21.4550 21.5450 106.4210 106.8650
B2-D0 33.9090 33.9040 17.1000 17.6000
B2-C1 11.2950 11.2940 17.1060 17.5940
D0-C1 22.6140 22.6100 197.1670 197.6540
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 60850.09309856
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 24.126
HIERARCH ESO ISS PBL12 END 24.198
HIERARCH ESO ISS PBLA12 START 134.3
HIERARCH ESO ISS PBLA12 END 134.7
HIERARCH ESO ISS PBL13 START 31.374
HIERARCH ESO ISS PBL13 END 31.446
HIERARCH ESO ISS PBLA13 START 60.3
HIERARCH ESO ISS PBLA13 END 60.9
HIERARCH ESO ISS PBL14 START 21.455
HIERARCH ESO ISS PBL14 END 21.545
HIERARCH ESO ISS PBLA14 START 106.421
HIERARCH ESO ISS PBLA14 END 106.865
HIERARCH ESO ISS PBL23 START 33.909
HIERARCH ESO ISS PBL23 END 33.904
HIERARCH ESO ISS PBLA23 START 17.1
HIERARCH ESO ISS PBLA23 END 17.6
HIERARCH ESO ISS PBL24 START 11.295
HIERARCH ESO ISS PBL24 END 11.294
HIERARCH ESO ISS PBLA24 START 17.106
HIERARCH ESO ISS PBLA24 END 17.594
HIERARCH ESO ISS PBL34 START 22.614
HIERARCH ESO ISS PBL34 END 22.61
HIERARCH ESO ISS PBLA34 START 197.167
HIERARCH ESO ISS PBLA34 END 197.654
HIERARCH ESO ISS AMBI TAU0 START 0.005558
HIERARCH ESO ISS AMBI TAU0 END 0.003871
HIERARCH ESO ISS AMBI TEMP 11.26
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.56