Exposure
ID
GRAVI.2025-06-20T04:22:51.294_1
Header ID
GRAVI.2025-06-20T04:22:51.294
Date updated
2025-06-20 04:35:55 UTC+0000
Release date
2025-06-20 04:22:51 UTC+0000
UTC Start
2025-06-20 04:22:51.294
UTC End
2025-06-20 04:26:03.294
MJD Start
60846.18253813
MJD End
60846.184760352226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.002903
Ambient temperature (°C)
12.9
Seeing (arcsec)
1.04
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 67.7350 67.6060 276.9000 277.4000
K0-D0 94.3640 94.1260 256.2000 256.7000
K0-J3 56.3840 56.4070 337.1140 337.5720
G2-D0 39.0970 39.0250 218.6000 219.0000
G2-J3 63.0510 62.9160 45.9530 46.3480
D0-J3 101.9520 101.7440 43.1550 43.5440
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 60846.18253813
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 67.735
HIERARCH ESO ISS PBL12 END 67.606
HIERARCH ESO ISS PBLA12 START 276.9
HIERARCH ESO ISS PBLA12 END 277.4
HIERARCH ESO ISS PBL13 START 94.364
HIERARCH ESO ISS PBL13 END 94.126
HIERARCH ESO ISS PBLA13 START 256.2
HIERARCH ESO ISS PBLA13 END 256.7
HIERARCH ESO ISS PBL14 START 56.384
HIERARCH ESO ISS PBL14 END 56.407
HIERARCH ESO ISS PBLA14 START 337.114
HIERARCH ESO ISS PBLA14 END 337.572
HIERARCH ESO ISS PBL23 START 39.097
HIERARCH ESO ISS PBL23 END 39.025
HIERARCH ESO ISS PBLA23 START 218.6
HIERARCH ESO ISS PBLA23 END 219.0
HIERARCH ESO ISS PBL24 START 63.051
HIERARCH ESO ISS PBL24 END 62.916
HIERARCH ESO ISS PBLA24 START 45.953
HIERARCH ESO ISS PBLA24 END 46.348
HIERARCH ESO ISS PBL34 START 101.952
HIERARCH ESO ISS PBL34 END 101.744
HIERARCH ESO ISS PBLA34 START 43.155
HIERARCH ESO ISS PBLA34 END 43.544
HIERARCH ESO ISS AMBI TAU0 START 0.002626
HIERARCH ESO ISS AMBI TAU0 END 0.00318
HIERARCH ESO ISS AMBI TEMP 12.9
HIERARCH ESO ISS AMBI FWHM START 1.17
HIERARCH ESO ISS AMBI FWHM END 0.91