Exposure
ID
GRAVI.2025-05-23T06:30:19.407_1
Header ID
GRAVI.2025-05-23T06:30:19.407
Date updated
2025-05-23 06:41:21 UTC+0000
Release date
2025-05-23 06:30:19 UTC+0000
UTC Start
2025-05-23 06:30:19.407
UTC End
2025-05-23 06:33:31.407
MJD Start
60818.27105795
MJD End
60818.27328017222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0040490000000000005
Ambient temperature (°C)
13.55
Seeing (arcsec)
0.6100000000000001
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 67.0280 66.8450 279.4000 279.9000
K0-D0 93.1010 92.7840 258.5000 259.0000
K0-J3 56.4750 56.4890 339.2990 339.7730
G2-D0 38.7270 38.6380 220.4000 220.8000
G2-J3 62.3540 62.1850 47.7710 48.1430
D0-J3 100.8830 100.6250 44.9450 45.3120
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 60818.27105795
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 67.028
HIERARCH ESO ISS PBL12 END 66.845
HIERARCH ESO ISS PBLA12 START 279.4
HIERARCH ESO ISS PBLA12 END 279.9
HIERARCH ESO ISS PBL13 START 93.101
HIERARCH ESO ISS PBL13 END 92.784
HIERARCH ESO ISS PBLA13 START 258.5
HIERARCH ESO ISS PBLA13 END 259.0
HIERARCH ESO ISS PBL14 START 56.475
HIERARCH ESO ISS PBL14 END 56.489
HIERARCH ESO ISS PBLA14 START 339.299
HIERARCH ESO ISS PBLA14 END 339.773
HIERARCH ESO ISS PBL23 START 38.727
HIERARCH ESO ISS PBL23 END 38.638
HIERARCH ESO ISS PBLA23 START 220.4
HIERARCH ESO ISS PBLA23 END 220.8
HIERARCH ESO ISS PBL24 START 62.354
HIERARCH ESO ISS PBL24 END 62.185
HIERARCH ESO ISS PBLA24 START 47.771
HIERARCH ESO ISS PBLA24 END 48.143
HIERARCH ESO ISS PBL34 START 100.883
HIERARCH ESO ISS PBL34 END 100.625
HIERARCH ESO ISS PBLA34 START 44.945
HIERARCH ESO ISS PBLA34 END 45.312
HIERARCH ESO ISS AMBI TAU0 START 0.004607
HIERARCH ESO ISS AMBI TAU0 END 0.003491
HIERARCH ESO ISS AMBI TEMP 13.55
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.67