Exposure
ID
GRAVI.2025-06-24T03:42:54.941_1
Header ID
GRAVI.2025-06-24T03:42:54.941
Date updated
2025-06-24 03:55:47 UTC+0000
Release date
2025-06-24 03:42:54 UTC+0000
UTC Start
2025-06-24 03:42:54.941
UTC End
2025-06-24 03:46:06.941
MJD Start
60850.15480256
MJD End
60850.157024782224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0040995
Ambient temperature (°C)
11.38
Seeing (arcsec)
0.56
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 25.1900 25.2070 143.9000 144.3000
A0-D0 31.8490 31.8050 73.1000 73.6000
A0-C1 22.6180 22.6220 117.5970 118.1040
B2-D0 33.4860 33.4500 27.8000 28.2000
B2-C1 11.1540 11.1430 27.7670 28.1660
D0-C1 22.3320 22.3080 207.8310 208.2300
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 60850.15480256
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 25.19
HIERARCH ESO ISS PBL12 END 25.207
HIERARCH ESO ISS PBLA12 START 143.9
HIERARCH ESO ISS PBLA12 END 144.3
HIERARCH ESO ISS PBL13 START 31.849
HIERARCH ESO ISS PBL13 END 31.805
HIERARCH ESO ISS PBLA13 START 73.1
HIERARCH ESO ISS PBLA13 END 73.6
HIERARCH ESO ISS PBL14 START 22.618
HIERARCH ESO ISS PBL14 END 22.622
HIERARCH ESO ISS PBLA14 START 117.597
HIERARCH ESO ISS PBLA14 END 118.104
HIERARCH ESO ISS PBL23 START 33.486
HIERARCH ESO ISS PBL23 END 33.45
HIERARCH ESO ISS PBLA23 START 27.8
HIERARCH ESO ISS PBLA23 END 28.2
HIERARCH ESO ISS PBL24 START 11.154
HIERARCH ESO ISS PBL24 END 11.143
HIERARCH ESO ISS PBLA24 START 27.767
HIERARCH ESO ISS PBLA24 END 28.166
HIERARCH ESO ISS PBL34 START 22.332
HIERARCH ESO ISS PBL34 END 22.308
HIERARCH ESO ISS PBLA34 START 207.831
HIERARCH ESO ISS PBLA34 END 208.23
HIERARCH ESO ISS AMBI TAU0 START 0.004248
HIERARCH ESO ISS AMBI TAU0 END 0.003951
HIERARCH ESO ISS AMBI TEMP 11.38
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.58