Exposure
ID
GRAVI.2025-06-24T03:34:45.921_1
Header ID
GRAVI.2025-06-24T03:34:45.921
Date updated
2025-06-24 03:46:08 UTC+0000
Release date
2025-06-24 03:34:45 UTC+0000
UTC Start
2025-06-24 03:34:45.921
UTC End
2025-06-24 03:37:57.921
MJD Start
60850.1491426
MJD End
60850.151364822224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0051045
Ambient temperature (°C)
11.4
Seeing (arcsec)
0.485
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 25.1440 25.1660 142.9000 143.3000
A0-D0 31.9250 31.8930 72.0000 72.5000
A0-C1 22.5960 22.6080 116.4970 116.9950
B2-D0 33.5580 33.5260 26.9000 27.3000
B2-C1 11.1780 11.1680 26.8760 27.2830
D0-C1 22.3800 22.3580 206.9400 207.3480
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 60850.1491426
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 25.144
HIERARCH ESO ISS PBL12 END 25.166
HIERARCH ESO ISS PBLA12 START 142.9
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 31.925
HIERARCH ESO ISS PBL13 END 31.893
HIERARCH ESO ISS PBLA13 START 72.0
HIERARCH ESO ISS PBLA13 END 72.5
HIERARCH ESO ISS PBL14 START 22.596
HIERARCH ESO ISS PBL14 END 22.608
HIERARCH ESO ISS PBLA14 START 116.497
HIERARCH ESO ISS PBLA14 END 116.995
HIERARCH ESO ISS PBL23 START 33.558
HIERARCH ESO ISS PBL23 END 33.526
HIERARCH ESO ISS PBLA23 START 26.9
HIERARCH ESO ISS PBLA23 END 27.3
HIERARCH ESO ISS PBL24 START 11.178
HIERARCH ESO ISS PBL24 END 11.168
HIERARCH ESO ISS PBLA24 START 26.876
HIERARCH ESO ISS PBLA24 END 27.283
HIERARCH ESO ISS PBL34 START 22.38
HIERARCH ESO ISS PBL34 END 22.358
HIERARCH ESO ISS PBLA34 START 206.94
HIERARCH ESO ISS PBLA34 END 207.348
HIERARCH ESO ISS AMBI TAU0 START 0.005119
HIERARCH ESO ISS AMBI TAU0 END 0.00509
HIERARCH ESO ISS AMBI TEMP 11.4
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.47