Exposure
- ID
- GRAVI.2021-06-25T06:16:54.714_2
- Header ID
- GRAVI.2021-06-25T06:16:54.714
- Date updated
- 2021-06-25 06:30:28 UTC+0000
- Release date
- 2022-06-25 06:30:28 UTC+0000
- UTC Start
- 2021-06-25 06:16:54.714
- UTC End
- 2021-06-25 06:22:14.714
- MJD Start
- 59390.26174438
- MJD End
- 59390.2654480837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005704
- Ambient temperature (°C)
- 10.16
- Seeing (arcsec)
- 0.575
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 | 53.7680 | 53.5330 | 36.7000 | 37.1000 |
| U1-U3 | 96.0890 | 95.5470 | 43.0000 | 43.4000 |
| U1-U4 | 116.2220 | 114.9680 | 72.8460 | 73.3520 |
| U2-U3 | 43.0510 | 42.7400 | 50.9000 | 51.3000 |
| U2-U4 | 79.3920 | 78.4790 | 96.3750 | 97.1490 |
| U3-U4 | 57.9960 | 57.5920 | 128.3290 | 129.3460 |
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 | 59390.26174438 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| 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 | 53.768 |
| HIERARCH ESO ISS PBL12 END | 53.533 |
| HIERARCH ESO ISS PBLA12 START | 36.7 |
| HIERARCH ESO ISS PBLA12 END | 37.1 |
| HIERARCH ESO ISS PBL13 START | 96.089 |
| HIERARCH ESO ISS PBL13 END | 95.547 |
| HIERARCH ESO ISS PBLA13 START | 43.0 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 116.222 |
| HIERARCH ESO ISS PBL14 END | 114.968 |
| HIERARCH ESO ISS PBLA14 START | 72.846 |
| HIERARCH ESO ISS PBLA14 END | 73.352 |
| HIERARCH ESO ISS PBL23 START | 43.051 |
| HIERARCH ESO ISS PBL23 END | 42.74 |
| HIERARCH ESO ISS PBLA23 START | 50.9 |
| HIERARCH ESO ISS PBLA23 END | 51.3 |
| HIERARCH ESO ISS PBL24 START | 79.392 |
| HIERARCH ESO ISS PBL24 END | 78.479 |
| HIERARCH ESO ISS PBLA24 START | 96.375 |
| HIERARCH ESO ISS PBLA24 END | 97.149 |
| HIERARCH ESO ISS PBL34 START | 57.996 |
| HIERARCH ESO ISS PBL34 END | 57.592 |
| HIERARCH ESO ISS PBLA34 START | 128.329 |
| HIERARCH ESO ISS PBLA34 END | 129.346 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005186 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006222 |
| HIERARCH ESO ISS AMBI TEMP | 10.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.58 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |