Exposure
- ID
- GRAVI.2021-06-25T04:24:03.430_2
- Header ID
- GRAVI.2021-06-25T04:24:03.430
- Date updated
- 2021-06-25 04:40:26 UTC+0000
- Release date
- 2022-06-25 04:40:25 UTC+0000
- UTC Start
- 2021-06-25 04:24:03.430
- UTC End
- 2021-06-25 04:29:23.430
- MJD Start
- 59390.18337303
- MJD End
- 59390.1870767337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0055285
- Ambient temperature (°C)
- 10.84
- Seeing (arcsec)
- 0.49
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
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 | 56.3550 | 56.3040 | 27.1000 | 27.7000 |
| U1-U3 | 102.0690 | 101.9560 | 33.5000 | 34.1000 |
| U1-U4 | 129.8930 | 129.6940 | 61.5960 | 62.2430 |
| U2-U3 | 46.4830 | 46.4220 | 41.2000 | 41.8000 |
| U2-U4 | 89.3270 | 89.2130 | 82.5200 | 83.2040 |
| U3-U4 | 62.4700 | 62.4480 | 111.9410 | 112.6420 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59390.18337303 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416593 |
| DEC | -29.00706 |
| 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 | 56.355 |
| HIERARCH ESO ISS PBL12 END | 56.304 |
| HIERARCH ESO ISS PBLA12 START | 27.1 |
| HIERARCH ESO ISS PBLA12 END | 27.7 |
| HIERARCH ESO ISS PBL13 START | 102.069 |
| HIERARCH ESO ISS PBL13 END | 101.956 |
| HIERARCH ESO ISS PBLA13 START | 33.5 |
| HIERARCH ESO ISS PBLA13 END | 34.1 |
| HIERARCH ESO ISS PBL14 START | 129.893 |
| HIERARCH ESO ISS PBL14 END | 129.694 |
| HIERARCH ESO ISS PBLA14 START | 61.596 |
| HIERARCH ESO ISS PBLA14 END | 62.243 |
| HIERARCH ESO ISS PBL23 START | 46.483 |
| HIERARCH ESO ISS PBL23 END | 46.422 |
| HIERARCH ESO ISS PBLA23 START | 41.2 |
| HIERARCH ESO ISS PBLA23 END | 41.8 |
| HIERARCH ESO ISS PBL24 START | 89.327 |
| HIERARCH ESO ISS PBL24 END | 89.213 |
| HIERARCH ESO ISS PBLA24 START | 82.52 |
| HIERARCH ESO ISS PBLA24 END | 83.204 |
| HIERARCH ESO ISS PBL34 START | 62.47 |
| HIERARCH ESO ISS PBL34 END | 62.448 |
| HIERARCH ESO ISS PBLA34 START | 111.941 |
| HIERARCH ESO ISS PBLA34 END | 112.642 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00504 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006017 |
| HIERARCH ESO ISS AMBI TEMP | 10.84 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |