Exposure
- ID
- GRAVI.2022-06-19T03:16:57.124_2
- Header ID
- GRAVI.2022-06-19T03:16:57.124
- Date updated
- 2022-06-19 03:31:05 UTC+0000
- Release date
- 2023-06-19 03:31:05 UTC+0000
- UTC Start
- 2022-06-19 03:16:57.124
- UTC End
- 2022-06-19 03:22:17.124
- MJD Start
- 59749.13677227
- MJD End
- 59749.1404759737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002446
- Ambient temperature (°C)
- 7.46
- Seeing (arcsec)
- 1.535
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 | 56.5010 | 56.5160 | 16.2000 | 17.0000 |
| U1-U3 | 102.1020 | 102.1680 | 22.2000 | 23.0000 |
| U1-U4 | 127.0710 | 127.5270 | 49.4510 | 50.3170 |
| U2-U3 | 46.2950 | 46.3540 | 29.6000 | 30.4000 |
| U2-U4 | 85.6110 | 86.1260 | 70.6590 | 71.4700 |
| U3-U4 | 59.1230 | 59.5400 | 101.6130 | 102.2210 |
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 | 59749.13677227 |
| 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 | 56.501 |
| HIERARCH ESO ISS PBL12 END | 56.516 |
| HIERARCH ESO ISS PBLA12 START | 16.2 |
| HIERARCH ESO ISS PBLA12 END | 17.0 |
| HIERARCH ESO ISS PBL13 START | 102.102 |
| HIERARCH ESO ISS PBL13 END | 102.168 |
| HIERARCH ESO ISS PBLA13 START | 22.2 |
| HIERARCH ESO ISS PBLA13 END | 23.0 |
| HIERARCH ESO ISS PBL14 START | 127.071 |
| HIERARCH ESO ISS PBL14 END | 127.527 |
| HIERARCH ESO ISS PBLA14 START | 49.451 |
| HIERARCH ESO ISS PBLA14 END | 50.317 |
| HIERARCH ESO ISS PBL23 START | 46.295 |
| HIERARCH ESO ISS PBL23 END | 46.354 |
| HIERARCH ESO ISS PBLA23 START | 29.6 |
| HIERARCH ESO ISS PBLA23 END | 30.4 |
| HIERARCH ESO ISS PBL24 START | 85.611 |
| HIERARCH ESO ISS PBL24 END | 86.126 |
| HIERARCH ESO ISS PBLA24 START | 70.659 |
| HIERARCH ESO ISS PBLA24 END | 71.47 |
| HIERARCH ESO ISS PBL34 START | 59.123 |
| HIERARCH ESO ISS PBL34 END | 59.54 |
| HIERARCH ESO ISS PBLA34 START | 101.613 |
| HIERARCH ESO ISS PBLA34 END | 102.221 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002153 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002739 |
| HIERARCH ESO ISS AMBI TEMP | 7.46 |
| HIERARCH ESO ISS AMBI FWHM START | 1.65 |
| HIERARCH ESO ISS AMBI FWHM END | 1.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |