Exposure
ID
GRAVI.2025-04-05T06:55:19.453_1
Header ID
GRAVI.2025-04-05T06:55:19.453
Date updated
2025-04-05 07:10:48 UTC+0000
Release date
2025-04-05 06:55:19 UTC+0000
UTC Start
2025-04-05 06:55:19.453
UTC End
2025-04-05 06:58:31.453
MJD Start
60770.28841959
MJD End
60770.29064181222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.007520000000000001
Ambient temperature (°C)
14.35
Seeing (arcsec)
0.515
Observation
ID
66034
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
49155
Name
HD_152636
RA
253.988066
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 23.3560 23.4530 131.5000 131.8000
A0-D0 30.5640 30.6670 54.7000 55.4000
A0-C1 20.4660 20.5910 102.5120 102.9460
B2-D0 33.9330 33.9320 12.7000 13.2000
B2-C1 11.3030 11.3030 12.6520 13.1580
D0-C1 22.6300 22.6290 192.7100 193.2160
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 60770.28841959
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.988066
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 23.356
HIERARCH ESO ISS PBL12 END 23.453
HIERARCH ESO ISS PBLA12 START 131.5
HIERARCH ESO ISS PBLA12 END 131.8
HIERARCH ESO ISS PBL13 START 30.564
HIERARCH ESO ISS PBL13 END 30.667
HIERARCH ESO ISS PBLA13 START 54.7
HIERARCH ESO ISS PBLA13 END 55.4
HIERARCH ESO ISS PBL14 START 20.466
HIERARCH ESO ISS PBL14 END 20.591
HIERARCH ESO ISS PBLA14 START 102.512
HIERARCH ESO ISS PBLA14 END 102.946
HIERARCH ESO ISS PBL23 START 33.933
HIERARCH ESO ISS PBL23 END 33.932
HIERARCH ESO ISS PBLA23 START 12.7
HIERARCH ESO ISS PBLA23 END 13.2
HIERARCH ESO ISS PBL24 START 11.303
HIERARCH ESO ISS PBL24 END 11.303
HIERARCH ESO ISS PBLA24 START 12.652
HIERARCH ESO ISS PBLA24 END 13.158
HIERARCH ESO ISS PBL34 START 22.63
HIERARCH ESO ISS PBL34 END 22.629
HIERARCH ESO ISS PBLA34 START 192.71
HIERARCH ESO ISS PBLA34 END 193.216
HIERARCH ESO ISS AMBI TAU0 START 0.007217
HIERARCH ESO ISS AMBI TAU0 END 0.007823
HIERARCH ESO ISS AMBI TEMP 14.35
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.54