Exposure
- ID
- GRAVI.2022-05-20T09:22:51.288_2
- Header ID
- GRAVI.2022-05-20T09:22:51.288
- Date updated
- 2022-05-20 09:35:43 UTC+0000
- Release date
- 2023-05-20 09:35:43 UTC+0000
- UTC Start
- 2022-05-20 09:22:51.288
- UTC End
- 2022-05-20 09:28:11.288
- MJD Start
- 59719.39087139
- MJD End
- 59719.3945750937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0069405
- Ambient temperature (°C)
- 12.02
- Seeing (arcsec)
- 0.435
Observation
- ID
- 50947
- Category
- science
- Program ID
- 109.22ZA.002
- 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
- 37996
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076471944444
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 | 51.7000 | 51.3800 | 39.1000 | 39.4000 |
| U1-U3 | 91.3480 | 90.6200 | 45.3000 | 45.6000 |
| U1-U4 | 105.3840 | 103.7440 | 76.6000 | 77.0790 |
| U2-U3 | 40.3390 | 39.9250 | 53.3000 | 53.5000 |
| U2-U4 | 71.6310 | 70.4830 | 102.6450 | 103.5500 |
| U3-U4 | 54.7270 | 54.2770 | 136.6550 | 137.8560 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59719.39087139 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416858 |
| DEC | -29.00723 |
| 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 | 51.7 |
| HIERARCH ESO ISS PBL12 END | 51.38 |
| HIERARCH ESO ISS PBLA12 START | 39.1 |
| HIERARCH ESO ISS PBLA12 END | 39.4 |
| HIERARCH ESO ISS PBL13 START | 91.348 |
| HIERARCH ESO ISS PBL13 END | 90.62 |
| HIERARCH ESO ISS PBLA13 START | 45.3 |
| HIERARCH ESO ISS PBLA13 END | 45.6 |
| HIERARCH ESO ISS PBL14 START | 105.384 |
| HIERARCH ESO ISS PBL14 END | 103.744 |
| HIERARCH ESO ISS PBLA14 START | 76.6 |
| HIERARCH ESO ISS PBLA14 END | 77.079 |
| HIERARCH ESO ISS PBL23 START | 40.339 |
| HIERARCH ESO ISS PBL23 END | 39.925 |
| HIERARCH ESO ISS PBLA23 START | 53.3 |
| HIERARCH ESO ISS PBLA23 END | 53.5 |
| HIERARCH ESO ISS PBL24 START | 71.631 |
| HIERARCH ESO ISS PBL24 END | 70.483 |
| HIERARCH ESO ISS PBLA24 START | 102.645 |
| HIERARCH ESO ISS PBLA24 END | 103.55 |
| HIERARCH ESO ISS PBL34 START | 54.727 |
| HIERARCH ESO ISS PBL34 END | 54.277 |
| HIERARCH ESO ISS PBLA34 START | 136.655 |
| HIERARCH ESO ISS PBLA34 END | 137.856 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006836 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007045 |
| HIERARCH ESO ISS AMBI TEMP | 12.02 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |