Exposure
- ID
- GRAVI.2024-04-24T07:42:47.108_2
- Header ID
- GRAVI.2024-04-24T07:42:47.108
- Date updated
- 2024-04-24 07:55:37 UTC+0000
- Release date
- 2025-04-24 07:55:37 UTC+0000
- UTC Start
- 2024-04-24 07:42:47.108
- UTC End
- 2024-04-24 07:48:07.108
- MJD Start
- 60424.32137856
- MJD End
- 60424.3250822637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0051055
- Ambient temperature (°C)
- 16.06
- Seeing (arcsec)
- 0.51
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- 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 | 56.5540 | 56.5450 | 22.2000 | 22.8000 |
| U1-U3 | 102.4340 | 102.4310 | 28.4000 | 29.1000 |
| U1-U4 | 129.8440 | 129.9990 | 56.1940 | 56.9310 |
| U2-U3 | 46.6280 | 46.6380 | 36.0000 | 36.8000 |
| U2-U4 | 88.8010 | 89.0050 | 77.0700 | 77.7910 |
| U3-U4 | 61.7450 | 61.9290 | 106.7870 | 107.4270 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60424.32137856 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416804 |
| DEC | -29.00734 |
| 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 | 56.554 |
| HIERARCH ESO ISS PBL12 END | 56.545 |
| HIERARCH ESO ISS PBLA12 START | 22.2 |
| HIERARCH ESO ISS PBLA12 END | 22.8 |
| HIERARCH ESO ISS PBL13 START | 102.434 |
| HIERARCH ESO ISS PBL13 END | 102.431 |
| HIERARCH ESO ISS PBLA13 START | 28.4 |
| HIERARCH ESO ISS PBLA13 END | 29.1 |
| HIERARCH ESO ISS PBL14 START | 129.844 |
| HIERARCH ESO ISS PBL14 END | 129.999 |
| HIERARCH ESO ISS PBLA14 START | 56.194 |
| HIERARCH ESO ISS PBLA14 END | 56.931 |
| HIERARCH ESO ISS PBL23 START | 46.628 |
| HIERARCH ESO ISS PBL23 END | 46.638 |
| HIERARCH ESO ISS PBLA23 START | 36.0 |
| HIERARCH ESO ISS PBLA23 END | 36.8 |
| HIERARCH ESO ISS PBL24 START | 88.801 |
| HIERARCH ESO ISS PBL24 END | 89.005 |
| HIERARCH ESO ISS PBLA24 START | 77.07 |
| HIERARCH ESO ISS PBLA24 END | 77.791 |
| HIERARCH ESO ISS PBL34 START | 61.745 |
| HIERARCH ESO ISS PBL34 END | 61.929 |
| HIERARCH ESO ISS PBLA34 START | 106.787 |
| HIERARCH ESO ISS PBLA34 END | 107.427 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005105 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005106 |
| HIERARCH ESO ISS AMBI TEMP | 16.06 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |