Exposure
- ID
- GRAVI.2022-06-19T02:29:51.005_2
- Header ID
- GRAVI.2022-06-19T02:29:51.005
- Date updated
- 2022-06-19 02:45:36 UTC+0000
- Release date
- 2023-06-19 02:45:36 UTC+0000
- UTC Start
- 2022-06-19 02:29:51.005
- UTC End
- 2022-06-19 02:35:11.005
- MJD Start
- 59749.10406256
- MJD End
- 59749.1077662637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0047415
- Ambient temperature (°C)
- 8.87
- Seeing (arcsec)
- 1.15
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 | 56.3500 | 56.3690 | 9.8000 | 10.6000 |
| U1-U3 | 101.4490 | 101.5310 | 15.4000 | 16.3000 |
| U1-U4 | 122.3700 | 123.0070 | 41.5840 | 42.6060 |
| U2-U3 | 45.7020 | 45.7790 | 22.3000 | 23.3000 |
| U2-U4 | 80.1640 | 80.9240 | 63.3130 | 64.2720 |
| U3-U4 | 54.6180 | 55.2610 | 96.5950 | 97.2070 |
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 | 59749.10406256 |
| 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 | 56.35 |
| HIERARCH ESO ISS PBL12 END | 56.369 |
| HIERARCH ESO ISS PBLA12 START | 9.8 |
| HIERARCH ESO ISS PBLA12 END | 10.6 |
| HIERARCH ESO ISS PBL13 START | 101.449 |
| HIERARCH ESO ISS PBL13 END | 101.531 |
| HIERARCH ESO ISS PBLA13 START | 15.4 |
| HIERARCH ESO ISS PBLA13 END | 16.3 |
| HIERARCH ESO ISS PBL14 START | 122.37 |
| HIERARCH ESO ISS PBL14 END | 123.007 |
| HIERARCH ESO ISS PBLA14 START | 41.584 |
| HIERARCH ESO ISS PBLA14 END | 42.606 |
| HIERARCH ESO ISS PBL23 START | 45.702 |
| HIERARCH ESO ISS PBL23 END | 45.779 |
| HIERARCH ESO ISS PBLA23 START | 22.3 |
| HIERARCH ESO ISS PBLA23 END | 23.3 |
| HIERARCH ESO ISS PBL24 START | 80.164 |
| HIERARCH ESO ISS PBL24 END | 80.924 |
| HIERARCH ESO ISS PBLA24 START | 63.313 |
| HIERARCH ESO ISS PBLA24 END | 64.272 |
| HIERARCH ESO ISS PBL34 START | 54.618 |
| HIERARCH ESO ISS PBL34 END | 55.261 |
| HIERARCH ESO ISS PBLA34 START | 96.595 |
| HIERARCH ESO ISS PBLA34 END | 97.207 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005468 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004015 |
| HIERARCH ESO ISS AMBI TEMP | 8.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 1.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |