Exposure
- ID
- GRAVI.2024-05-29T04:53:55.287_2
- Header ID
- GRAVI.2024-05-29T04:53:55.287
- Date updated
- 2024-05-29 05:10:28 UTC+0000
- Release date
- 2025-05-29 05:10:27 UTC+0000
- UTC Start
- 2024-05-29 04:53:55.287
- UTC End
- 2024-05-29 04:59:55.287
- MJD Start
- 60459.20411212
- MJD End
- 60459.2082787867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0056585
- Ambient temperature (°C)
- 14.86
- Seeing (arcsec)
- 0.6
Observation
- ID
- 59423
- Category
- science
- Program ID
- 113.268P.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.5390 | 56.5490 | 18.3000 | 19.1000 |
| U1-U3 | 102.2750 | 102.3290 | 24.4000 | 25.3000 |
| U1-U4 | 128.2950 | 128.7050 | 51.8830 | 52.8080 |
| U2-U3 | 46.4520 | 46.5040 | 31.9000 | 32.8000 |
| U2-U4 | 86.9930 | 87.4590 | 72.9420 | 73.8180 |
| U3-U4 | 60.2420 | 60.6210 | 103.3570 | 104.0530 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60459.20411212 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416878 |
| DEC | -29.00732 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.539 |
| HIERARCH ESO ISS PBL12 END | 56.549 |
| HIERARCH ESO ISS PBLA12 START | 18.3 |
| HIERARCH ESO ISS PBLA12 END | 19.1 |
| HIERARCH ESO ISS PBL13 START | 102.275 |
| HIERARCH ESO ISS PBL13 END | 102.329 |
| HIERARCH ESO ISS PBLA13 START | 24.4 |
| HIERARCH ESO ISS PBLA13 END | 25.3 |
| HIERARCH ESO ISS PBL14 START | 128.295 |
| HIERARCH ESO ISS PBL14 END | 128.705 |
| HIERARCH ESO ISS PBLA14 START | 51.883 |
| HIERARCH ESO ISS PBLA14 END | 52.808 |
| HIERARCH ESO ISS PBL23 START | 46.452 |
| HIERARCH ESO ISS PBL23 END | 46.504 |
| HIERARCH ESO ISS PBLA23 START | 31.9 |
| HIERARCH ESO ISS PBLA23 END | 32.8 |
| HIERARCH ESO ISS PBL24 START | 86.993 |
| HIERARCH ESO ISS PBL24 END | 87.459 |
| HIERARCH ESO ISS PBLA24 START | 72.942 |
| HIERARCH ESO ISS PBLA24 END | 73.818 |
| HIERARCH ESO ISS PBL34 START | 60.242 |
| HIERARCH ESO ISS PBL34 END | 60.621 |
| HIERARCH ESO ISS PBLA34 START | 103.357 |
| HIERARCH ESO ISS PBLA34 END | 104.053 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005667 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00565 |
| HIERARCH ESO ISS AMBI TEMP | 14.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |