Exposure
- ID
- GRAVI.2022-04-26T09:37:26.333_2
- Header ID
- GRAVI.2022-04-26T09:37:26.333
- Date updated
- 2022-04-26 09:50:40 UTC+0000
- Release date
- 2023-04-26 09:50:40 UTC+0000
- UTC Start
- 2022-04-26 09:37:26.333
- UTC End
- 2022-04-26 09:42:46.333
- MJD Start
- 59695.40099923
- MJD End
- 59695.4047029337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001642
- Ambient temperature (°C)
- 11.05
- Seeing (arcsec)
- 1.35
Observation
- ID
- 50587
- Category
- science
- Program ID
- 109.22ZA.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37345
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076475
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 | 55.0090 | 54.8430 | 34.1000 | 34.6000 |
| U1-U3 | 98.9640 | 98.5780 | 40.5000 | 40.9000 |
| U1-U4 | 122.9300 | 122.0250 | 69.5090 | 70.0460 |
| U2-U3 | 44.7090 | 44.4860 | 48.3000 | 48.7000 |
| U2-U4 | 84.3260 | 83.6570 | 91.7000 | 92.4090 |
| U3-U4 | 60.2550 | 59.9420 | 122.3460 | 123.2310 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59695.40099923 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416815 |
| DEC | -29.00698 |
| 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 | 55.009 |
| HIERARCH ESO ISS PBL12 END | 54.843 |
| HIERARCH ESO ISS PBLA12 START | 34.1 |
| HIERARCH ESO ISS PBLA12 END | 34.6 |
| HIERARCH ESO ISS PBL13 START | 98.964 |
| HIERARCH ESO ISS PBL13 END | 98.578 |
| HIERARCH ESO ISS PBLA13 START | 40.5 |
| HIERARCH ESO ISS PBLA13 END | 40.9 |
| HIERARCH ESO ISS PBL14 START | 122.93 |
| HIERARCH ESO ISS PBL14 END | 122.025 |
| HIERARCH ESO ISS PBLA14 START | 69.509 |
| HIERARCH ESO ISS PBLA14 END | 70.046 |
| HIERARCH ESO ISS PBL23 START | 44.709 |
| HIERARCH ESO ISS PBL23 END | 44.486 |
| HIERARCH ESO ISS PBLA23 START | 48.3 |
| HIERARCH ESO ISS PBLA23 END | 48.7 |
| HIERARCH ESO ISS PBL24 START | 84.326 |
| HIERARCH ESO ISS PBL24 END | 83.657 |
| HIERARCH ESO ISS PBLA24 START | 91.7 |
| HIERARCH ESO ISS PBLA24 END | 92.409 |
| HIERARCH ESO ISS PBL34 START | 60.255 |
| HIERARCH ESO ISS PBL34 END | 59.942 |
| HIERARCH ESO ISS PBLA34 START | 122.346 |
| HIERARCH ESO ISS PBLA34 END | 123.231 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001642 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001642 |
| HIERARCH ESO ISS AMBI TEMP | 11.05 |
| HIERARCH ESO ISS AMBI FWHM START | 1.35 |
| HIERARCH ESO ISS AMBI FWHM END | 1.35 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |