Exposure
- ID
- GRAVI.2021-05-25T08:48:24.293_2
- Header ID
- GRAVI.2021-05-25T08:48:24.293
- Date updated
- 2021-05-25 09:06:06 UTC+0000
- Release date
- 2022-05-25 09:06:06 UTC+0000
- UTC Start
- 2021-05-25 08:48:24.293
- UTC End
- 2021-05-25 08:53:44.293
- MJD Start
- 59359.36694784
- MJD End
- 59359.3706515437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003586
- Ambient temperature (°C)
- 11.82
- Seeing (arcsec)
- 0.88
Observation
- ID
- 47451
- Category
- science
- Program ID
- 105.20B2.002
- 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
- 35588
- Name
- IRS16C
- RA
- 266.4171125
- 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 | 52.4280 | 52.1330 | 38.4000 | 38.7000 |
| U1-U3 | 93.0100 | 92.3350 | 44.7000 | 45.0000 |
| U1-U4 | 109.1500 | 107.6170 | 75.4270 | 75.9170 |
| U2-U3 | 41.2870 | 40.9020 | 52.6000 | 52.9000 |
| U2-U4 | 74.2940 | 73.2050 | 100.5430 | 101.4040 |
| U3-U4 | 55.8050 | 55.3580 | 133.8540 | 135.0020 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59359.36694784 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.417087 |
| DEC | -29.00718 |
| 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 | 52.428 |
| HIERARCH ESO ISS PBL12 END | 52.133 |
| HIERARCH ESO ISS PBLA12 START | 38.4 |
| HIERARCH ESO ISS PBLA12 END | 38.7 |
| HIERARCH ESO ISS PBL13 START | 93.01 |
| HIERARCH ESO ISS PBL13 END | 92.335 |
| HIERARCH ESO ISS PBLA13 START | 44.7 |
| HIERARCH ESO ISS PBLA13 END | 45.0 |
| HIERARCH ESO ISS PBL14 START | 109.15 |
| HIERARCH ESO ISS PBL14 END | 107.617 |
| HIERARCH ESO ISS PBLA14 START | 75.427 |
| HIERARCH ESO ISS PBLA14 END | 75.917 |
| HIERARCH ESO ISS PBL23 START | 41.287 |
| HIERARCH ESO ISS PBL23 END | 40.902 |
| HIERARCH ESO ISS PBLA23 START | 52.6 |
| HIERARCH ESO ISS PBLA23 END | 52.9 |
| HIERARCH ESO ISS PBL24 START | 74.294 |
| HIERARCH ESO ISS PBL24 END | 73.205 |
| HIERARCH ESO ISS PBLA24 START | 100.543 |
| HIERARCH ESO ISS PBLA24 END | 101.404 |
| HIERARCH ESO ISS PBL34 START | 55.805 |
| HIERARCH ESO ISS PBL34 END | 55.358 |
| HIERARCH ESO ISS PBLA34 START | 133.854 |
| HIERARCH ESO ISS PBLA34 END | 135.002 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003777 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003395 |
| HIERARCH ESO ISS AMBI TEMP | 11.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 0.93 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |