Exposure
ID
GRAVI.2025-04-04T06:39:57.524_1
Header ID
GRAVI.2025-04-04T06:39:57.524
Date updated
2025-04-04 06:50:51 UTC+0000
Release date
2025-04-04 06:39:57 UTC+0000
UTC Start
2025-04-04 06:39:57.524
UTC End
2025-04-04 06:43:09.524
MJD Start
60769.27774912
MJD End
60769.27997134223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0073465
Ambient temperature (°C)
13.9
Seeing (arcsec)
0.7050000000000001
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 22.8030 22.9150 130.0000 130.2000
A0-D0 29.9830 30.0990 51.2000 51.9000
A0-C1 19.7520 19.8960 100.2460 100.6770
B2-D0 33.9330 33.9340 10.0000 10.5000
B2-C1 11.3030 11.3040 9.9770 10.4900
D0-C1 22.6300 22.6300 190.0330 190.5460
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 60769.27774912
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 22.803
HIERARCH ESO ISS PBL12 END 22.915
HIERARCH ESO ISS PBLA12 START 130.0
HIERARCH ESO ISS PBLA12 END 130.2
HIERARCH ESO ISS PBL13 START 29.983
HIERARCH ESO ISS PBL13 END 30.099
HIERARCH ESO ISS PBLA13 START 51.2
HIERARCH ESO ISS PBLA13 END 51.9
HIERARCH ESO ISS PBL14 START 19.752
HIERARCH ESO ISS PBL14 END 19.896
HIERARCH ESO ISS PBLA14 START 100.246
HIERARCH ESO ISS PBLA14 END 100.677
HIERARCH ESO ISS PBL23 START 33.933
HIERARCH ESO ISS PBL23 END 33.934
HIERARCH ESO ISS PBLA23 START 10.0
HIERARCH ESO ISS PBLA23 END 10.5
HIERARCH ESO ISS PBL24 START 11.303
HIERARCH ESO ISS PBL24 END 11.304
HIERARCH ESO ISS PBLA24 START 9.977
HIERARCH ESO ISS PBLA24 END 10.49
HIERARCH ESO ISS PBL34 START 22.63
HIERARCH ESO ISS PBL34 END 22.63
HIERARCH ESO ISS PBLA34 START 190.033
HIERARCH ESO ISS PBLA34 END 190.546
HIERARCH ESO ISS AMBI TAU0 START 0.007441
HIERARCH ESO ISS AMBI TAU0 END 0.007252
HIERARCH ESO ISS AMBI TEMP 13.9
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.63