Exposure
ID
GRAVI.2021-05-30T06:54:56.546_2
Header ID
GRAVI.2021-05-30T06:54:56.546
Date updated
2021-05-30 07:10:35 UTC+0000
Release date
2022-05-30 07:10:35 UTC+0000
UTC Start
2021-05-30 06:54:56.546
UTC End
2021-05-30 07:00:16.546
MJD Start
59364.28815447
MJD End
59364.2918581737
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0048405
Ambient temperature (°C)
10.38
Seeing (arcsec)
0.645
Observation
ID
47463
Category
science
Program ID
105.20B2.002
Program Title
THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
Program Type
GTO
PI / COI
EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
ID
35598
Name
IRS16C
RA
266.417116666667
DEC
-29.0076491944444
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 55.6780 55.5590 31.8000 32.3000
U1-U3 100.5210 100.2450 38.2000 38.7000
U1-U4 126.5620 125.9220 66.7960 67.3660
U2-U3 45.6090 45.4490 46.0000 46.5000
U2-U4 87.0100 86.5390 88.3180 89.0030
U3-U4 61.5130 61.2940 118.2730 119.0770
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.20B2.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59364.28815447
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME S2
RA 266.41672
DEC -29.00717
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 342.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 55.678
HIERARCH ESO ISS PBL12 END 55.559
HIERARCH ESO ISS PBLA12 START 31.8
HIERARCH ESO ISS PBLA12 END 32.3
HIERARCH ESO ISS PBL13 START 100.521
HIERARCH ESO ISS PBL13 END 100.245
HIERARCH ESO ISS PBLA13 START 38.2
HIERARCH ESO ISS PBLA13 END 38.7
HIERARCH ESO ISS PBL14 START 126.562
HIERARCH ESO ISS PBL14 END 125.922
HIERARCH ESO ISS PBLA14 START 66.796
HIERARCH ESO ISS PBLA14 END 67.366
HIERARCH ESO ISS PBL23 START 45.609
HIERARCH ESO ISS PBL23 END 45.449
HIERARCH ESO ISS PBLA23 START 46.0
HIERARCH ESO ISS PBLA23 END 46.5
HIERARCH ESO ISS PBL24 START 87.01
HIERARCH ESO ISS PBL24 END 86.539
HIERARCH ESO ISS PBLA24 START 88.318
HIERARCH ESO ISS PBLA24 END 89.003
HIERARCH ESO ISS PBL34 START 61.513
HIERARCH ESO ISS PBL34 END 61.294
HIERARCH ESO ISS PBLA34 START 118.273
HIERARCH ESO ISS PBLA34 END 119.077
HIERARCH ESO ISS AMBI TAU0 START 0.005907
HIERARCH ESO ISS AMBI TAU0 END 0.003774
HIERARCH ESO ISS AMBI TEMP 10.38
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.67
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1080
HIERARCH ESO FT ROBJ DELTA -290027.5371