Exposure
- ID
- GRAVI.2022-05-23T04:12:39.310_2
- Header ID
- GRAVI.2022-05-23T04:12:39.310
- Date updated
- 2022-05-23 04:25:39 UTC+0000
- Release date
- 2023-05-23 04:25:38 UTC+0000
- UTC Start
- 2022-05-23 04:12:39.310
- UTC End
- 2022-05-23 04:17:59.310
- MJD Start
- 59722.17545498
- MJD End
- 59722.1791586837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0074805
- Ambient temperature (°C)
- 11.35
- Seeing (arcsec)
- 0.63
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 | 56.3400 | 56.3580 | 9.3000 | 10.1000 |
| U1-U3 | 101.4010 | 101.4840 | 14.9000 | 15.8000 |
| U1-U4 | 121.9930 | 122.6410 | 40.9780 | 42.0180 |
| U2-U3 | 45.6570 | 45.7340 | 21.8000 | 22.7000 |
| U2-U4 | 79.7100 | 80.4890 | 62.7430 | 63.7210 |
| U3-U4 | 54.2300 | 54.8930 | 96.2370 | 96.8540 |
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 | 59722.17545498 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416757 |
| DEC | -29.00715 |
| 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 | 56.34 |
| HIERARCH ESO ISS PBL12 END | 56.358 |
| HIERARCH ESO ISS PBLA12 START | 9.3 |
| HIERARCH ESO ISS PBLA12 END | 10.1 |
| HIERARCH ESO ISS PBL13 START | 101.401 |
| HIERARCH ESO ISS PBL13 END | 101.484 |
| HIERARCH ESO ISS PBLA13 START | 14.9 |
| HIERARCH ESO ISS PBLA13 END | 15.8 |
| HIERARCH ESO ISS PBL14 START | 121.993 |
| HIERARCH ESO ISS PBL14 END | 122.641 |
| HIERARCH ESO ISS PBLA14 START | 40.978 |
| HIERARCH ESO ISS PBLA14 END | 42.018 |
| HIERARCH ESO ISS PBL23 START | 45.657 |
| HIERARCH ESO ISS PBL23 END | 45.734 |
| HIERARCH ESO ISS PBLA23 START | 21.8 |
| HIERARCH ESO ISS PBLA23 END | 22.7 |
| HIERARCH ESO ISS PBL24 START | 79.71 |
| HIERARCH ESO ISS PBL24 END | 80.489 |
| HIERARCH ESO ISS PBLA24 START | 62.743 |
| HIERARCH ESO ISS PBLA24 END | 63.721 |
| HIERARCH ESO ISS PBL34 START | 54.23 |
| HIERARCH ESO ISS PBL34 END | 54.893 |
| HIERARCH ESO ISS PBLA34 START | 96.237 |
| HIERARCH ESO ISS PBLA34 END | 96.854 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007325 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007636 |
| HIERARCH ESO ISS AMBI TEMP | 11.35 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |