Exposure
ID
GRAVI.2025-06-24T06:11:01.319_1
Header ID
GRAVI.2025-06-24T06:11:01.319
Date updated
2025-06-24 06:25:58 UTC+0000
Release date
2025-06-24 06:11:01 UTC+0000
UTC Start
2025-06-24 06:11:01.319
UTC End
2025-06-24 06:14:13.319
MJD Start
60850.25765415
MJD End
60850.25987637223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.003541
Ambient temperature (°C)
11.38
Seeing (arcsec)
0.62
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 25.0490 25.0370 165.6000 166.2000
A0-D0 25.8320 25.5750 92.6000 93.2000
A0-C1 20.9020 20.8310 142.4170 143.1870
B2-D0 30.2660 30.1300 40.3000 40.5000
B2-C1 10.0830 10.0380 40.2570 40.4680
D0-C1 20.1820 20.0920 220.3210 220.5320
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 60850.25765415
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 25.049
HIERARCH ESO ISS PBL12 END 25.037
HIERARCH ESO ISS PBLA12 START 165.6
HIERARCH ESO ISS PBLA12 END 166.2
HIERARCH ESO ISS PBL13 START 25.832
HIERARCH ESO ISS PBL13 END 25.575
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 20.902
HIERARCH ESO ISS PBL14 END 20.831
HIERARCH ESO ISS PBLA14 START 142.417
HIERARCH ESO ISS PBLA14 END 143.187
HIERARCH ESO ISS PBL23 START 30.266
HIERARCH ESO ISS PBL23 END 30.13
HIERARCH ESO ISS PBLA23 START 40.3
HIERARCH ESO ISS PBLA23 END 40.5
HIERARCH ESO ISS PBL24 START 10.083
HIERARCH ESO ISS PBL24 END 10.038
HIERARCH ESO ISS PBLA24 START 40.257
HIERARCH ESO ISS PBLA24 END 40.468
HIERARCH ESO ISS PBL34 START 20.182
HIERARCH ESO ISS PBL34 END 20.092
HIERARCH ESO ISS PBLA34 START 220.321
HIERARCH ESO ISS PBLA34 END 220.532
HIERARCH ESO ISS AMBI TAU0 START 0.004227
HIERARCH ESO ISS AMBI TAU0 END 0.002855
HIERARCH ESO ISS AMBI TEMP 11.38
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.65