Exposure
ID
GRAVI.2025-06-20T04:14:42.273_1
Header ID
GRAVI.2025-06-20T04:14:42.273
Date updated
2025-06-20 04:25:54 UTC+0000
Release date
2025-06-20 04:14:42 UTC+0000
UTC Start
2025-06-20 04:14:42.273
UTC End
2025-06-20 04:17:54.273
MJD Start
60846.17687816
MJD End
60846.17910038222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0054925
Ambient temperature (°C)
13.11
Seeing (arcsec)
0.835
Observation
ID
67542
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
50232
Name
HD_152636
RA
253.990732
DEC
-33.50683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.9750 67.8730 275.7000 276.2000
K0-D0 94.8300 94.6280 255.2000 255.7000
K0-J3 56.3280 56.3550 336.1180 336.5680
G2-D0 39.2450 39.1800 217.8000 218.2000
G2-J3 63.3260 63.2050 45.0690 45.4730
D0-J3 102.3750 102.1890 42.2820 42.6810
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 60846.17687816
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.990732
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 67.975
HIERARCH ESO ISS PBL12 END 67.873
HIERARCH ESO ISS PBLA12 START 275.7
HIERARCH ESO ISS PBLA12 END 276.2
HIERARCH ESO ISS PBL13 START 94.83
HIERARCH ESO ISS PBL13 END 94.628
HIERARCH ESO ISS PBLA13 START 255.2
HIERARCH ESO ISS PBLA13 END 255.7
HIERARCH ESO ISS PBL14 START 56.328
HIERARCH ESO ISS PBL14 END 56.355
HIERARCH ESO ISS PBLA14 START 336.118
HIERARCH ESO ISS PBLA14 END 336.568
HIERARCH ESO ISS PBL23 START 39.245
HIERARCH ESO ISS PBL23 END 39.18
HIERARCH ESO ISS PBLA23 START 217.8
HIERARCH ESO ISS PBLA23 END 218.2
HIERARCH ESO ISS PBL24 START 63.326
HIERARCH ESO ISS PBL24 END 63.205
HIERARCH ESO ISS PBLA24 START 45.069
HIERARCH ESO ISS PBLA24 END 45.473
HIERARCH ESO ISS PBL34 START 102.375
HIERARCH ESO ISS PBL34 END 102.189
HIERARCH ESO ISS PBLA34 START 42.282
HIERARCH ESO ISS PBLA34 END 42.681
HIERARCH ESO ISS AMBI TAU0 START 0.005583
HIERARCH ESO ISS AMBI TAU0 END 0.005402
HIERARCH ESO ISS AMBI TEMP 13.11
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.94