Exposure
- ID
- GRAVI.2021-06-25T03:27:06.286_2
- Header ID
- GRAVI.2021-06-25T03:27:06.286
- Date updated
- 2021-06-25 03:45:14 UTC+0000
- Release date
- 2022-06-25 03:45:14 UTC+0000
- UTC Start
- 2021-06-25 03:27:06.286
- UTC End
- 2021-06-25 03:32:26.286
- MJD Start
- 59390.14382276
- MJD End
- 59390.1475264637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006226
- Ambient temperature (°C)
- 10.58
- Seeing (arcsec)
- 0.5
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- 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 | 56.5590 | 56.5590 | 20.6000 | 21.3000 |
| U1-U3 | 102.4020 | 102.4220 | 26.8000 | 27.6000 |
| U1-U4 | 129.3460 | 129.5940 | 54.4810 | 55.2560 |
| U2-U3 | 46.5790 | 46.6060 | 34.4000 | 35.1000 |
| U2-U4 | 88.1990 | 88.4930 | 75.4140 | 76.1600 |
| U3-U4 | 61.2310 | 61.4790 | 105.3650 | 105.9980 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59390.14382276 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41688 |
| DEC | -29.00716 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 20.6 |
| HIERARCH ESO ISS PBLA12 END | 21.3 |
| HIERARCH ESO ISS PBL13 START | 102.402 |
| HIERARCH ESO ISS PBL13 END | 102.422 |
| HIERARCH ESO ISS PBLA13 START | 26.8 |
| HIERARCH ESO ISS PBLA13 END | 27.6 |
| HIERARCH ESO ISS PBL14 START | 129.346 |
| HIERARCH ESO ISS PBL14 END | 129.594 |
| HIERARCH ESO ISS PBLA14 START | 54.481 |
| HIERARCH ESO ISS PBLA14 END | 55.256 |
| HIERARCH ESO ISS PBL23 START | 46.579 |
| HIERARCH ESO ISS PBL23 END | 46.606 |
| HIERARCH ESO ISS PBLA23 START | 34.4 |
| HIERARCH ESO ISS PBLA23 END | 35.1 |
| HIERARCH ESO ISS PBL24 START | 88.199 |
| HIERARCH ESO ISS PBL24 END | 88.493 |
| HIERARCH ESO ISS PBLA24 START | 75.414 |
| HIERARCH ESO ISS PBLA24 END | 76.16 |
| HIERARCH ESO ISS PBL34 START | 61.231 |
| HIERARCH ESO ISS PBL34 END | 61.479 |
| HIERARCH ESO ISS PBLA34 START | 105.365 |
| HIERARCH ESO ISS PBLA34 END | 105.998 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006226 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006226 |
| HIERARCH ESO ISS AMBI TEMP | 10.58 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |