Exposure
- ID
- GRAVI.2022-06-19T02:15:53.970_2
- Header ID
- GRAVI.2022-06-19T02:15:53.970
- Date updated
- 2022-06-19 02:31:07 UTC+0000
- Release date
- 2023-06-19 02:31:07 UTC+0000
- UTC Start
- 2022-06-19 02:15:53.970
- UTC End
- 2022-06-19 02:21:13.970
- MJD Start
- 59749.09437465
- MJD End
- 59749.0980783537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004671
- Ambient temperature (°C)
- 8.87
- Seeing (arcsec)
- 1.04
Observation
- ID
- 51275
- Category
- science
- Program ID
- 109.22ZA.003
- 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 | 56.3090 | 56.3250 | 7.8000 | 8.6000 |
| U1-U3 | 101.2530 | 101.3320 | 13.3000 | 14.2000 |
| U1-U4 | 120.7640 | 121.4280 | 38.9960 | 40.0700 |
| U2-U3 | 45.5140 | 45.5900 | 20.0000 | 21.0000 |
| U2-U4 | 78.2090 | 79.0250 | 60.8690 | 61.8870 |
| U3-U4 | 52.9340 | 53.6410 | 95.0840 | 95.7060 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59749.09437465 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416741 |
| DEC | -29.00708 |
| 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 | 56.309 |
| HIERARCH ESO ISS PBL12 END | 56.325 |
| HIERARCH ESO ISS PBLA12 START | 7.8 |
| HIERARCH ESO ISS PBLA12 END | 8.6 |
| HIERARCH ESO ISS PBL13 START | 101.253 |
| HIERARCH ESO ISS PBL13 END | 101.332 |
| HIERARCH ESO ISS PBLA13 START | 13.3 |
| HIERARCH ESO ISS PBLA13 END | 14.2 |
| HIERARCH ESO ISS PBL14 START | 120.764 |
| HIERARCH ESO ISS PBL14 END | 121.428 |
| HIERARCH ESO ISS PBLA14 START | 38.996 |
| HIERARCH ESO ISS PBLA14 END | 40.07 |
| HIERARCH ESO ISS PBL23 START | 45.514 |
| HIERARCH ESO ISS PBL23 END | 45.59 |
| HIERARCH ESO ISS PBLA23 START | 20.0 |
| HIERARCH ESO ISS PBLA23 END | 21.0 |
| HIERARCH ESO ISS PBL24 START | 78.209 |
| HIERARCH ESO ISS PBL24 END | 79.025 |
| HIERARCH ESO ISS PBLA24 START | 60.869 |
| HIERARCH ESO ISS PBLA24 END | 61.887 |
| HIERARCH ESO ISS PBL34 START | 52.934 |
| HIERARCH ESO ISS PBL34 END | 53.641 |
| HIERARCH ESO ISS PBLA34 START | 95.084 |
| HIERARCH ESO ISS PBLA34 END | 95.706 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005062 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00428 |
| HIERARCH ESO ISS AMBI TEMP | 8.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.97 |
| HIERARCH ESO ISS AMBI FWHM END | 1.11 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |