Exposure
- ID
- GRAVI.2021-05-30T06:47:50.529_2
- Header ID
- GRAVI.2021-05-30T06:47:50.529
- Date updated
- 2021-05-30 07:05:40 UTC+0000
- Release date
- 2022-05-30 07:05:40 UTC+0000
- UTC Start
- 2021-05-30 06:47:50.529
- UTC End
- 2021-05-30 06:53:10.529
- MJD Start
- 59364.28322371
- MJD End
- 59364.2869274137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006277
- Ambient temperature (°C)
- 10.44
- Seeing (arcsec)
- 0.7
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 | 55.8140 | 55.7060 | 31.2000 | 31.7000 |
| U1-U3 | 100.8370 | 100.5860 | 37.6000 | 38.1000 |
| U1-U4 | 127.2880 | 126.7110 | 66.0720 | 66.6550 |
| U2-U3 | 45.7900 | 45.6460 | 45.3000 | 45.9000 |
| U2-U4 | 87.5410 | 87.1200 | 87.4640 | 88.1500 |
| U3-U4 | 61.7590 | 61.5640 | 117.2860 | 118.0770 |
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 | 59364.28322371 |
| 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 | 55.814 |
| HIERARCH ESO ISS PBL12 END | 55.706 |
| HIERARCH ESO ISS PBLA12 START | 31.2 |
| HIERARCH ESO ISS PBLA12 END | 31.7 |
| HIERARCH ESO ISS PBL13 START | 100.837 |
| HIERARCH ESO ISS PBL13 END | 100.586 |
| HIERARCH ESO ISS PBLA13 START | 37.6 |
| HIERARCH ESO ISS PBLA13 END | 38.1 |
| HIERARCH ESO ISS PBL14 START | 127.288 |
| HIERARCH ESO ISS PBL14 END | 126.711 |
| HIERARCH ESO ISS PBLA14 START | 66.072 |
| HIERARCH ESO ISS PBLA14 END | 66.655 |
| HIERARCH ESO ISS PBL23 START | 45.79 |
| HIERARCH ESO ISS PBL23 END | 45.646 |
| HIERARCH ESO ISS PBLA23 START | 45.3 |
| HIERARCH ESO ISS PBLA23 END | 45.9 |
| HIERARCH ESO ISS PBL24 START | 87.541 |
| HIERARCH ESO ISS PBL24 END | 87.12 |
| HIERARCH ESO ISS PBLA24 START | 87.464 |
| HIERARCH ESO ISS PBLA24 END | 88.15 |
| HIERARCH ESO ISS PBL34 START | 61.759 |
| HIERARCH ESO ISS PBL34 END | 61.564 |
| HIERARCH ESO ISS PBLA34 START | 117.286 |
| HIERARCH ESO ISS PBLA34 END | 118.077 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006022 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006532 |
| HIERARCH ESO ISS AMBI TEMP | 10.44 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |