Exposure
ID
GRAVI.2025-11-29T03:50:27.893_1
Header ID
GRAVI.2025-11-29T03:50:27.893
Date updated
2025-11-29 04:00:51 UTC+0000
Release date
2025-11-29 03:50:27 UTC+0000
UTC Start
2025-11-29 03:50:27.893
UTC End
2025-11-29 03:53:07.893
MJD Start
61008.16004506
MJD End
61008.16189691186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0130145
Ambient temperature (°C)
15.65
Seeing (arcsec)
0.685
Observation
ID
71886
Category
calibrator
Program ID
116.28P0.001
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 / ERCOLINO / JANIK
Target
ID
53367
Name
HD_48016
RA
100.256577
DEC
-7.57262
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 47.8330 47.9010 142.7000 142.7000
A0-J2 93.2680 94.4020 86.2000 86.4000
A0-J6 150.4980 150.5530 2.9040 3.3820
B5-J2 77.8120 78.6590 55.4000 55.9000
B5-J6 189.5550 189.4580 353.5280 353.8930
J2-J6 167.6060 167.6740 329.3560 329.4140
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61008.16004506
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 48016
HIERARCH ESO INS SOBJ NAME HD_48016
RA 100.256577
DEC -7.57262
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 47.833
HIERARCH ESO ISS PBL12 END 47.901
HIERARCH ESO ISS PBLA12 START 142.7
HIERARCH ESO ISS PBLA12 END 142.7
HIERARCH ESO ISS PBL13 START 93.268
HIERARCH ESO ISS PBL13 END 94.402
HIERARCH ESO ISS PBLA13 START 86.2
HIERARCH ESO ISS PBLA13 END 86.4
HIERARCH ESO ISS PBL14 START 150.498
HIERARCH ESO ISS PBL14 END 150.553
HIERARCH ESO ISS PBLA14 START 2.904
HIERARCH ESO ISS PBLA14 END 3.382
HIERARCH ESO ISS PBL23 START 77.812
HIERARCH ESO ISS PBL23 END 78.659
HIERARCH ESO ISS PBLA23 START 55.4
HIERARCH ESO ISS PBLA23 END 55.9
HIERARCH ESO ISS PBL24 START 189.555
HIERARCH ESO ISS PBL24 END 189.458
HIERARCH ESO ISS PBLA24 START 353.528
HIERARCH ESO ISS PBLA24 END 353.893
HIERARCH ESO ISS PBL34 START 167.606
HIERARCH ESO ISS PBL34 END 167.674
HIERARCH ESO ISS PBLA34 START 329.356
HIERARCH ESO ISS PBLA34 END 329.414
HIERARCH ESO ISS AMBI TAU0 START 0.013343
HIERARCH ESO ISS AMBI TAU0 END 0.012686
HIERARCH ESO ISS AMBI TEMP 15.65
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.7