Exposure
- ID
- GRAVI.2021-05-26T07:42:12.750_2
- Header ID
- GRAVI.2021-05-26T07:42:12.750
- Date updated
- 2021-05-26 07:55:17 UTC+0000
- Release date
- 2022-05-26 07:55:17 UTC+0000
- UTC Start
- 2021-05-26 07:42:12.750
- UTC End
- 2021-05-26 07:47:32.750
- MJD Start
- 59360.3209809
- MJD End
- 59360.3246846037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002358
- Ambient temperature (°C)
- 14.69
- Seeing (arcsec)
- 0.575
Observation
- ID
- 47463
- 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
- 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 | 54.9020 | 54.7290 | 34.4000 | 34.8000 |
| U1-U3 | 98.7160 | 98.3130 | 40.8000 | 41.2000 |
| U1-U4 | 122.3470 | 121.4020 | 69.8590 | 70.3950 |
| U2-U3 | 44.5660 | 44.3330 | 48.6000 | 49.0000 |
| U2-U4 | 83.8950 | 83.1970 | 92.1600 | 92.8780 |
| U3-U4 | 60.0530 | 59.7280 | 122.9190 | 123.8210 |
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 | 59360.3209809 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41702 |
| DEC | -29.00694 |
| 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 | 54.902 |
| HIERARCH ESO ISS PBL12 END | 54.729 |
| HIERARCH ESO ISS PBLA12 START | 34.4 |
| HIERARCH ESO ISS PBLA12 END | 34.8 |
| HIERARCH ESO ISS PBL13 START | 98.716 |
| HIERARCH ESO ISS PBL13 END | 98.313 |
| HIERARCH ESO ISS PBLA13 START | 40.8 |
| HIERARCH ESO ISS PBLA13 END | 41.2 |
| HIERARCH ESO ISS PBL14 START | 122.347 |
| HIERARCH ESO ISS PBL14 END | 121.402 |
| HIERARCH ESO ISS PBLA14 START | 69.859 |
| HIERARCH ESO ISS PBLA14 END | 70.395 |
| HIERARCH ESO ISS PBL23 START | 44.566 |
| HIERARCH ESO ISS PBL23 END | 44.333 |
| HIERARCH ESO ISS PBLA23 START | 48.6 |
| HIERARCH ESO ISS PBLA23 END | 49.0 |
| HIERARCH ESO ISS PBL24 START | 83.895 |
| HIERARCH ESO ISS PBL24 END | 83.197 |
| HIERARCH ESO ISS PBLA24 START | 92.16 |
| HIERARCH ESO ISS PBLA24 END | 92.878 |
| HIERARCH ESO ISS PBL34 START | 60.053 |
| HIERARCH ESO ISS PBL34 END | 59.728 |
| HIERARCH ESO ISS PBLA34 START | 122.919 |
| HIERARCH ESO ISS PBLA34 END | 123.821 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002589 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002127 |
| HIERARCH ESO ISS AMBI TEMP | 14.69 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |