Exposure
- ID
- GRAVI.2021-05-24T08:03:20.976_2
- Header ID
- GRAVI.2021-05-24T08:03:20.976
- Date updated
- 2021-05-24 08:15:32 UTC+0000
- Release date
- 2022-05-24 08:15:32 UTC+0000
- UTC Start
- 2021-05-24 08:03:20.976
- UTC End
- 2021-05-24 08:08:40.976
- MJD Start
- 59358.33565944
- MJD End
- 59358.3393631437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0040995
- Ambient temperature (°C)
- 11.72
- Seeing (arcsec)
- 0.705
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 | 54.4850 | 54.2860 | 35.4000 | 35.8000 |
| U1-U3 | 97.7460 | 97.2870 | 41.7000 | 42.1000 |
| U1-U4 | 120.0780 | 119.0060 | 71.0900 | 71.6140 |
| U2-U3 | 44.0060 | 43.7410 | 49.6000 | 50.0000 |
| U2-U4 | 82.2190 | 81.4300 | 93.8320 | 94.5700 |
| U3-U4 | 59.2760 | 58.9150 | 125.0330 | 125.9800 |
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 | 59358.33565944 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416898 |
| DEC | -29.00719 |
| 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 | 54.485 |
| HIERARCH ESO ISS PBL12 END | 54.286 |
| HIERARCH ESO ISS PBLA12 START | 35.4 |
| HIERARCH ESO ISS PBLA12 END | 35.8 |
| HIERARCH ESO ISS PBL13 START | 97.746 |
| HIERARCH ESO ISS PBL13 END | 97.287 |
| HIERARCH ESO ISS PBLA13 START | 41.7 |
| HIERARCH ESO ISS PBLA13 END | 42.1 |
| HIERARCH ESO ISS PBL14 START | 120.078 |
| HIERARCH ESO ISS PBL14 END | 119.006 |
| HIERARCH ESO ISS PBLA14 START | 71.09 |
| HIERARCH ESO ISS PBLA14 END | 71.614 |
| HIERARCH ESO ISS PBL23 START | 44.006 |
| HIERARCH ESO ISS PBL23 END | 43.741 |
| HIERARCH ESO ISS PBLA23 START | 49.6 |
| HIERARCH ESO ISS PBLA23 END | 50.0 |
| HIERARCH ESO ISS PBL24 START | 82.219 |
| HIERARCH ESO ISS PBL24 END | 81.43 |
| HIERARCH ESO ISS PBLA24 START | 93.832 |
| HIERARCH ESO ISS PBLA24 END | 94.57 |
| HIERARCH ESO ISS PBL34 START | 59.276 |
| HIERARCH ESO ISS PBL34 END | 58.915 |
| HIERARCH ESO ISS PBLA34 START | 125.033 |
| HIERARCH ESO ISS PBLA34 END | 125.98 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004157 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004042 |
| HIERARCH ESO ISS AMBI TEMP | 11.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |